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Siemens Surge Protection Device Models

High quality surge protection for your custom application

We’re committed to providing high quality surge protection solutions for your application in residential, commercial, and industrial electrical systems. Our complete portfolio of the whole-facility, highly reliable, and easy-to-install protective devices ensure the highest possible electrical system safety while delivering some of the industry’s best performance ratings. Siemens newest residential and commercial product line, BoltShieldTM SPD brings the state-of-art solution surge protection solution to meet the 2020 NEC requirements with capability to increase the modes of protection and a surge capacity via a unique cascading option in your installation. Learn more about BoltShield by clicking below.

The following is the product model and its introduction:

3SD7464-0CC, 5SD7464-6CR, 3RT1916-1CC00, 3TX4490-3ADC12, 3RT2926-1JK00, 3RT2926-1JL00, 3RT2926-1MR00, 3RT2916-1DG00, 3RT2916-1JJ00, 3RT2916-1JL00, 3RT2916-1BC00, 3RT2916-1BB00, 3RT2916-1LM00, 3RT2916-1BD00, 3RT2916-1CC00, 3RT2916-1CD00, 3RT2916-1EH00, 3RT2916-1CB00, 5SD7474-3CC, 5SD7464-1CC, 5SD7464-0CC, 5SD7474-1CC, 5SD7474-3CC, 5SD7474-0CC, 5SD7464-3CC, 3RT6926-1BD00, 3RT6926-1BB00

Siemens Surge Protection Device Models

1. Residential Surge Protective Devices
Shield your modern home with our residential surge protection solutions
Shield your modern home with the Siemens residential portfolio of surge protection solutions delivering some the industry’s best performance ratings. Our whole-house protection devices defend your property and all the sensitive electronics that are susceptible to surge related activity. The new BoltShieldTM QSPD series and Circuit Breaker & Surge Protective Device offer economical and easy-to-install solution for your house safety.

1)  BoltShield QSPD

The new BoltShield QSPD series of surge protection provide the best protection from both externally and internally generated surges and are specifically designed for your residential applications. For cost and space reasons many buildings only include one SPD located at the main incoming load center and do not cascade SPDs throughout the building as recommended by IEEE. The new QSPD series are economical and easy to install in most panels throughout a building so that whole facility protection can be obtained.
Features and Benefits:
Diagnostic monitoring – green/red visual mechanical flag failure indicators, flashing dual color LED status indicator, and audible alarm with silence switch/button
Protected by a 10-year, $50,000 Warranty
Cascading – multiple QSPDs can be stacked in a single load center for increased modes of protection and surge capacity
Modes of protection – the electrical system's primary paired conductor combinations of L-N, L-G, and L-L are directly surge protected
Small footprint – BoltShield QSPD fits in footprint of Siemens QP breaker with 2 and 3 pole options
Standard compliance and certifications:
- UL 1449 4th Edition, cUL, UL 96A compliant, ANSI/IEEE C62.41.1-2002, C62.41.2-2002, C62.45-2002, NEC Article 285
- ISO 9001:2014 quality management system, ISO 17025:2007 laboratory certification (UL DAP Program), 100% quality tested prior to shipping

2) Breaker with surge

The Siemens circuit breaker and Surge Protective Device (SPD) offers a highly effective TVSS integrated with two 1-pole circuit breakers. This device incorporates the robust features of a secondary circuit breaker surge arrester with a lower clamping voltage rating.
Features and Benefits:
2-inch wide plug-on design
Two 1-pole circuits breakers which offers no loss of load center spaces
Protected by a 2.5-year, $20,000 warranty
Easy to install and perfect for retrofit
LEDs provide protection status
Mechanical Functionality:
Two green LED indicator lights are provided to show that surge protection is provided for all circuits connected to the panelboard. As a Siemens exclusive feature, the device notifies the owner about the loss of surge protection by tripping one or both circuit breakers. These breakers should be used for circuit protection of frequently used household circuits as the lights and devices connected to these circuits provide an effective indication that surge protection is being provided.
If one or both circuit breakers have tripped, a user should turn both circuit breakers to the "OFF" then "ON" position. If either light is not illuminated, the device may still be used for circuit protection, but surge protection is no longer provided, and the device should be replaced by a qualified electrician.
The circuit breaker and SPD utilize Siemens-built 150V AC, 40mm, metal oxide varistors (MOVs). The maximum impulse rating for the SPD module is 40kA. The standard interrupting rating for the circuit breakers is 10k AIC. The circuit breakers are SWD and HACR rated.
All Type QP circuit breakers and SPD are plug-on style, with load terminals provided. The devices are rated for 120/240V AC and are calibrated for 40 degrees C maximum ambient applications.

3) FirstSurge SPD

The FirstSurgeTM line of surge products offer solutions for both residential and commercial. The balanced defense and robustness of the FirstSurge units provide assurance to property owners that their modern homes, buildings and appliances are fully protected.
Features and Benefits:
Surge current capacity – the line offers three different surge protector sizes based upon geographic location and thunderstorm activity.
3-Staged– when the device wears out, the protection status LEDs extinguish, an audible alarm beeps, and a red service light flashes to warn the property owner.
Modes of protection – the electrical system's primary paired conductor combinations of L-N, L-G, and N-G are directly surge protected.
Balanced VPR protection – all primary paired conductors are surge protected in a balanced manner with 600V UL1449 VPRs.
Ground reference monitoring – GRM diagnostics monitor the health of a unit’s neutral to ground bond and alert the property owner if the bond becomes loose, preventing a potential safety issue.
Safety – FirstSurge can achieve UL1449 listed 100kA SCCR - one of the highest ratings for residential surge protection.
Surge current capacities: 60,000A / 100,000A / 140,000A
Compatibility – device installs in any load center brand
10-year product and connected equipment warranty

4) TPS3 SPD

Siemens' line of TPS3 SPDs consistently assures optimal performance through direct bus bar connections or minimal cable connections. This translates to some of the industry's best installed voltage protection ratings (VPRs) and surge current capacities ranging from 50kA to 1000kA. With the wide range of current capacities, the TPS3 product line can satisfy both commercial and residential applications as long as the voltage level matches the installation needs. Purchase a TPS unit to connect to a load center or configure a TPS unit to be factory in switchgear, switchboards, panelboards, MCCs, and busway.
Features and Benefits:
TPS TranSafe Enabled – Our patented TranSafe fault current protection circuitry provides peace of mind that your electronic loads are protected and that your electrical system will not go down due to SPD fault control operations.
Integral or Internally Mounted for Optimized Protection – Internal surge protection dramatically reduces installation impedance allowing for superior installed suppressed voltage capabilities.
SAD/MOV Hybrid Suppression – For mission critical applications needing the absolute best suppressed voltage, our hybrid SAD/MOV suppressors combine tight clamping technology with integrated suppression, delivering the strongest installed protection capabilities available.
Retrofits – TPS3 01 and TPS3 09 Field retrofit within our P1 and our previous S1 distribution panel boards. When your needs change, Siemens TPS gives you the flexibility to retrofit Siemens panels with internal surge protection replicating factory installation.
Low Suppressed Voltage Ratings – TPS Family offers some of the lowest UL 1449 listed suppressed voltage ratings available, meaning your electronics will last longer when compared to SPDs with higher ratings.
Protected by 10 year warranty for SPD replacement. Exception – TPS3 03 units have a 5-year warranty for SPD replacement.

Siemens Surge Protection Device Models

 2. Commercial Surge Protection

High quality commercia surge protection for your custom application

We’re committed to providing high quality surge protection solutions for your application in commercial and industrial electrical systems. Our complete portfolio of the whole-facility, highly reliable, and easy-to-install protective devices ensure the highest possible electrical system safety while delivering some of the industry’s best performance ratings. Siemens newest residential and commercial product line, BoltShieldTM SPD brings the state-of-art solution surge protection solution to meet the 2020 NEC requirements with capability to increase the modes of protection and a surge capacity via a unique cascading option in your installation.

1) BoltShield BSPD

The new BoltShield BSPD provide the best protection from both externally and internally generated surges when located as close to the building distribution system as possible. For cost and space reasons many buildings only include one SPD located at the main incoming panel and do not cascade SPDs throughout the building as recommended by IEEE. The new Siemens BSPD series of SPDs, specifically designed for your commercial applications, are economical and easy to install in most panels throughout a building for the whole facility protection to be achieved.
Features and Benefits:
Diagnostic monitoring – green/red visual mechanical flag failure indicators, flashing dual color LED status indicator, and audible alarm with silence switch/button
Protected by a 10-year, $75,000 warranty
Cascading – multiple BSPDs can be stacked in a single panelboard for increased modes of protection and surge capacity
Modes of protection – the electrical system's primary paired conductor combinations of L-N, L-G, and L-L are directly surge protected
Footprint – fits in footprint of BL/BQD or xGB/ 3VA41 with 2 and 3 pole options.
Standard compliance and certifications:
- UL 1449 4th Edition, cUL, UL1283, UL 96A Compliant, ANSI/IEEE C62.41.1-2002, C62.41.2-2002, C62.45-2002, NEC Article 285o
- ISO 9001:2014 quality management system, 100% quality tested prior to shipping
Each SPD comes with an adapter for xGB/3VA41 applications. Replacement adapter kit BSPDXGB1 is available, containing 2 and 3 pole adapters (1 each).

2) TPS3 SPD

Siemens' line of TPS3 SPDs consistently assures optimal performance through direct bus bar connections or minimal cable connections. This translates to some of the industry's best installed voltage protection ratings (VPRs) and surge current capacities ranging from 50kA to 1000kA. With the wide range of current capacities, the TPS3 product line can satisfy both commercial and residential applications as long as the voltage level matches the installation needs. Purchase a TPS unit to connect to a load center or configure a TPS unit to be factory in switchgear, switchboards, panelboards, MCCs, and busway.
Features and Benefits:
TPS TranSafe Enabled – Our patented TranSafe fault current protection circuitry provides peace of mind that your electronic loads are protected and that your electrical system will not go down due to SPD fault control operations.
Integral or Internally Mounted for Optimized Protection – Internal surge protection dramatically reduces installation impedance allowing for superior installed suppressed voltage capabilities.
SAD/MOV Hybrid Suppression – For mission critical applications needing the absolute best suppressed voltage, our hybrid SAD/MOV suppressors combine tight clamping technology with integrated suppression, delivering the strongest installed protection capabilities available.
Retrofits – TPS3 01 and TPS3 09 Field retrofit within our P1 and our previous S1 distribution panel boards. When your needs change, Siemens TPS gives you the flexibility to retrofit Siemens panels with internal surge protection replicating factory installation.
Low Suppressed Voltage Ratings – TPS Family offers some of the lowest UL 1449 listed suppressed voltage ratings available, meaning your electronics will last longer when compared to SPDs with higher ratings.
Protected by 10 year warranty for SPD replacement. Exception – TPS3 03 units have a 5-year warranty for SPD replacement.

3) FirstSurge SPD

The FirstSurgeTM line of surge products offer solutions for both residential and commercial. The balanced defense and robustness of the FirstSurge units provide assurance to property owners that their modern homes, buildings and appliances are fully protected.
Features and Benefits:
Surge current capacity – the line offers three different surge protector sizes based upon geographic location and thunderstorm activity.
3-Staged– when the device wears out, the protection status LEDs extinguish, an audible alarm beeps, and a red service light flashes to warn the property owner.
Modes of protection – the electrical system's primary paired conductor combinations of L-N, L-G, and N-G are directly surge protected.
Balanced VPR protection – all primary paired conductors are surge protected in a balanced manner with 600V UL1449 VPRs.
Ground reference monitoring – GRM diagnostics monitor the health of a unit’s neutral to ground bond and alert the property owner if the bond becomes loose, preventing a potential safety issue.
Safety – FirstSurge can achieve UL1449 listed 100kA SCCR - one of the highest ratings for residential surge protection.
Surge current capacities: 60,000A / 100,000A / 140,000A
Compatibility – device installs in any load center brand

Surge protector, also known as lightning protector, is an electronic device that provides safety protection for various electronic equipment, instruments and communication lines. When an electrical circuit or communication line suddenly generates a peak current or voltage due to external interference, the surge protector can conduct the shunt in a very short time to avoid damage to other devices in the circuit by the surge.
Surge protector, suitable for AC 50 / 60HZ, rated voltage 220V / 380V power supply system, protects against indirect lightning and direct lightning effects or other transient overvoltage surges, suitable for family houses, tertiary industry and industry Field surge protection requirements.

Siemens Surge Protection Device Models

Basic Features:
1. The protection flow is large, the residual pressure is extremely low, and the response time is fast;
2. Use the latest arc extinguishing technology to completely avoid fire;
3. Using temperature control protection circuit, built-in thermal protection;
4. With power status indicator, indicating the working state of the surge protector;
5. Strict structure, stable and reliable work.

Working principle:
Surge protection device (Surge protection Device) is an indispensable device in the lightning protection of electronic equipment. In the past, it was often called "lightning arrester" or "overvoltage protector" in English. It is abbreviated as SPD. The function of the surge protector is to The instantaneous overvoltage into the power line and signal transmission line is limited to the voltage range that the device or system can withstand, or a powerful lightning current is discharged into the ground to protect the protected device or system from damage due to impact.
The type and structure of the surge protector are different for different purposes, but it should contain at least one nonlinear voltage limiting element. The basic components used for surge protectors are: discharge gap, gas discharge tube, varistor, suppression diode and choke coil.

Use:
A surge is also called a surge. As the name implies, it is an instantaneous overvoltage that exceeds the normal operating voltage. Essentially, a surge is a violent pulse that occurs in only a few millionths of a second. Possible causes of the surge are: heavy equipment, short circuits, power switching, or large engines. And products containing surge blocking devices can effectively absorb sudden huge energy to protect the connected equipment from damage.

Effect:
Lightning discharge may occur between or inside the clouds, or between the clouds and the ground; in addition, the internal surge caused by the use of many large-capacity electrical equipment, the The impact of electrical equipment and the protection against lightning and surges have become the focus of attention.
The lightning discharge between the cloud layer and the ground is composed of one or several separate lightnings, each carrying several currents with high amplitude and short duration. A typical lightning discharge will consist of two or three lightnings, each separated by approximately one-twentieth of a second. Most lightning currents fall between 10,000 and 100,000 amperes, and their duration is generally less than 100 microseconds.
Due to the use of large-capacity equipment and frequency conversion equipment inside the power supply system, it has brought increasingly serious internal surge problems. We attribute it to the effect of transient overvoltage (TVS). There is an allowable range of power supply voltage for any electrical equipment. Sometimes even a very narrow overvoltage surge can cause damage to the power supply or all of the equipment. This is the effect of transient overvoltage (TVS) destruction. Especially for some sensitive microelectronic devices, sometimes a small surge can cause fatal damage.

Installation method:
1. SPD regular installation requirements
Surge protector is installed with 35MM standard rail
For fixed SPD, the following steps should be followed for routine installation:
1) Determine the discharge current path
2) Mark the wires of the extra voltage drop caused at the equipment terminal.
3) In order to avoid unnecessary induction circuits, the PE conductor of each device should be marked,
4) Establish an equipotential connection between the device and the SPD.
5) Multi-level SPD energy coordination
In order to limit the inductive coupling between the installed protective part and the unprotected equipment part, certain measurements are required. Mutual inductance can be reduced by the separation of the induction source and the sacrificial circuit, the choice of loop angle and the limitation of the closed loop area,
When the current-carrying component wire is part of a closed loop, the loop and induced voltage are reduced due to the wire's proximity to the circuit.
In general, it is better to separate the protected wire from the unprotected wire, and it should be separated from the ground wire. At the same time, in order to avoid transient orthogonal coupling between the power cable and the communication cable, necessary measurements should be made.
2. SPD ground wire diameter selection
Data cable: requires greater than 2.5mm2; when the length exceeds 0.5m, it requires greater than 4mm2. YD / T5098-1998.
Power line: when the cross-sectional area of ​​phase line S≤16mm2, S is used for the ground wire; when the cross-sectional area of ​​phase line 16mm2≤S≤35mm2, the ground wire is 16mm2; when the cross-sectional area of ​​phase wire S≥35mm2, the ground wire requires S / 2 50054 Article 2.2.9

Siemens Surge Protection Device Models

The main parameters of the surge protector:
1. Nominal voltage Un: The rated voltage of the protected system is consistent. In the information technology system, this parameter indicates the type of protector that should be selected. It marks the effective value of the AC or DC voltage.
2. Rated voltage Uc: It can be applied to the designated end of the protector for a long time without causing the change of the protector characteristics and the maximum effective value of the voltage to activate the protection element.
3. Rated discharge current Isn: The peak value of the maximum impact current that the protector withstands when the standard lightning wave with a waveform of 8 / 20μs is applied to the protector for 10 times.
4. Maximum discharge current Imax: the peak value of the maximum impact current that the protector withstands when a standard lightning wave with a waveform of 8 / 20μs is applied to the protector once.
5. Voltage protection level Up: The maximum value of the protector in the following tests: 1KV / μs slope of the flashover voltage; the residual voltage of the rated discharge current.
6. Response time tA: The action sensitivity and breakdown time of the special protection element mainly reflected in the protector, which change within a certain time depends on the slope of du / dt or di / dt.
7. Data transmission rate Vs: indicates how many bits are transmitted in one second, unit: bps; it is the reference value for the correct selection of lightning protection device in the data transmission system. The data transmission rate of the lightning protection device depends on the transmission method of the system.
8. Insertion loss Ae: voltage ratio of the protector before and after insertion at a given frequency.
9. Return loss Ar: indicates the proportion of the front wave reflected at the protection device (reflection point), which is a parameter directly measuring whether the protection device is compatible with the system impedance.
10. Maximum longitudinal discharge current: refers to the peak value of the maximum impact current that the protector withstands when a standard lightning wave with a waveform of 8 / 20μs is applied to the ground every time.
11. Maximum lateral discharge current: refers to the peak value of the maximum impact current that the protector can tolerate when a standard lightning wave with a waveform of 8 / 20μs is applied between the lines.
12. Online impedance: refers to the sum of the loop impedance and inductive reactance flowing through the protector under the nominal voltage Un. Commonly referred to as "system impedance".
13. Peak discharge current: There are two types: rated discharge current Isn and maximum discharge current Imax.
14. Leakage current: refers to the DC current flowing through the protector at a nominal voltage Un of 75 or 80.

Siemens Surge Protection Device Models

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