Telebahn Type 1 Single Phase Surge Protective Device (SPD) Surge Arrester Lightning Arrester 12.5kA 10/350μs 2P TUV Certified

Product Description

Type 1 Single Phase Surge Protective Device (SPD) Surge Arrester Lightning Arrester 12.5kA 10/350µs 2P TUV Certified
Product Description
Type 1 Single Phase Surge Protective Device (SPD) Surge Arrester Lightning Arrester 12.5kA 10/350µs 2P TUV Certified
Technical Data
Parameter Type Specification Details (BT P BCM12.5 275 RM/2P)
Art.-No. 801412
According to IEC 61643-11/EN 61643-11 Class I + Class II / Type 1 + Type 2
Nominal a.c. voltage [UN] 230V/400V (50/60 Hz)
Rated voltage (max. a.c. continuous voltage) [Uc] 320V (50/60 Hz)
Lightning impulse current (10/350µs) [Iimp] 12.5kA
Nominal discharge current (8/20µs) [In] 30kA
Max. discharge current (8/20µs) [Imax] 65kA
Total discharge current (8/20µs) [Itotal] 100kA
Voltage protection level at 320V [Up] ≤ 1.8kV
Residual voltage [Ures] ≤ 1.35kV
Temporary overvoltage test value (UT) 355V/5sec
Admissible short-current [Isccr] 25kA
Response time [tA] ≤ 25ns
Max. backup fuse [F] 160A gL/gG
Dielectric withstand 3000V
Operating temperature range [Tu] -40°C...+80°C
Cross-sectional area 1.5mm² ~ 25mm² solid / 35mm² flexible
Mounting on 35mm DIN rail, EN 60715
Specific energy (W/R) 39.06kJ/ohms
Enclosure material Purple Thermoplastic, UL94-V0
Dimension 2 mods (36mm wide)
Test standards IEC 61643-11; EN 61643-11; GB/T 18802.11
Certification TUV; CE; CB; RoHS; ISO 9001:2015
Type of remote signalling contact Switching contact
Switching capacity AC: 250V/0.5A; DC: 250V/0.1A; 150V/0.2A; 750V/0.5A
Cross-sectional area for remote contact Max. 1.5mm² solid / flexible
Highlight Features
  • Pluggable module, for single-phase TN (“2+0” circuit) system.
  • High discharge capacity, quick response time.
  • Double thermal disconnector devices, providing more reliable protection.
  • Green windows will change to red when fault occurs, with integrated remote alarm control.
  • BT P BCM12.5 275 RM/2P has passed TUV, CB, CE, and RoHS certification.
  • Mode of protection: L/N-PE.
  • Recommended backup fuse / MCB 63A.
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Summary

BT P BCM12.5 275 RM/2P(801412) power surge protector device is designed for installation at LPZ 0A-2 zones or higher, effectively protecting low voltage equipment from transient surge damages. The system supports optional remote terminal installation. Classified as a modular SPD Class I+II (Class B+C), it is ideal for single-phase TN (“2+0” circuit) power supply systems and is engineered fully in accordance with IEC 61643-11, EN 61643-11, and GB/T 18802.11 standards.

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Frequently Asked Questions
What is the main application of the BT P BCM12.5 275 RM/2P?
This power surge protective device is designed for installation at lightning protection zones LPZ 0A-2 or higher. It protects low voltage electronic equipment from surge and lightning damages within single-phase TN power supply systems.
What certifications does this surge protective device hold?
The BT P BCM12.5 275 RM/2P surge protector is fully certified under TUV, CE, CB, RoHS directives, and conforms to ISO 9001:2015 standards.
How does the visual fault indicator operate on this device?
The device features built-in visual inspection windows. When a fault occurs, the windows change color from green to red. At the same time, it can signal the status changes remotely via the built-in remote signalling contact.
What are the key electrical discharge ratings for this model?
It features a lightning impulse current (10/350µs) of 12.5kA, a nominal discharge current (8/20µs) of 30kA, and a maximum discharge current (8/20µs) rating of 65kA. The total discharge current capability is 100kA.
What type of mounting configuration is required?
The device is configured as a pluggable module designed for quick installation on standard 35mm DIN rails in accordance with the EN 60715 standard.
What is the response time and protection level of this surge protector?
The device responds rapidly with a response time (tA) of ≤ 25ns and maintains a voltage protection level (Up) of ≤ 1.8kV at 320V.

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