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IEC 61643-11 SPD AC 40kA 1P + NPE Lightning Protection DIN Rail Mounting
Product Features
Class II, Type 2, 40kA maximum surge current
Complies with type 2 requirement class according to IEC 61643-11
Housing fixed on 35mm electrical guide rail
Window color display indicates working status: green (normal), red (failure)
Optional remote communication terminals for remote alarm control
Technical Specifications
Parameter
BR-40 150 1P+NPE
BR-40 275 1P+NPE
BR-40 320 1P+NPE
BR-40 385 1P+NPE
BR-40 440 1P+NPE
SPD classification (EN61643-11)
Type 2
Type 2
Type 2
Type 2
Type 2
SPD classification (IEC61643-11)
Class II
Class II
Class II
Class II
Class II
Max. continuous operating voltage Uc
150V
275V
320V
385V
440V
Max. continuous operating voltage [N-PE] Uc
255V
255V
255V
255V
255V
Nominal discharge current (8/20μs) In
20kA
20kA
20kA
20kA
20kA
Max. discharge current (8/20μs) Imax
40kA
40kA
40kA
40kA
40kA
Voltage protection level Up
≤0.8kV
≤1.3kV
≤1.5kV
≤1.8kV
≤2.0kV
Voltage protection level 5kA Up
≤0.6kV
≤1kV
≤1.2kV
≤1.4kV
≤1.6kV
Voltage protection level [N-PE] Up
≤1.5kV
≤1.5kV
≤1.5kV
≤1.5kV
≤1.5kV
Follow current extinguishing capability [N-PE] Ifi
100Arms
100Arms
100Arms
100Arms
100Arms
Max. backup fuse
125A gG
125A gG
125A gG
125A gG
125A gG
Response time tA
≤25ns
≤25ns
≤25ns
≤25ns
≤25ns
Response time [N-PE] tA
≤100ns
≤100ns
≤100ns
≤100ns
≤100ns
Operating temperature range
-40℃-80℃
-40℃-80℃
-40℃-80℃
-40℃-80℃
-40℃-80℃
Operating state / fault indication
green / red
green / red
green / red
green / red
green / red
Cross-section area (Min.)
4mm²
4mm²
4mm²
4mm²
4mm²
Cross-section area (Max.)
35mm²
35mm²
35mm²
35mm²
35mm²
For mounting on
35mm Din rail
Enclosure material
Thermoplastic UL94-V0
Degree of protection
IP20
IP20
IP20
IP20
IP20
Order Code
B8251
B8253
B8255
B8257
B8370
Order Code (With remote signaling)
B8252
B8254
B8256
B8258
B8371
Dimensions
Applications
Protection of consumer equipment against transient voltage caused by indirect lightning strikes and switching operations
Use in domestic, commercial, and light industrial installations
Installation in household power distribution boards, telecom machinery centers, computer equipment centers, elevator control centers, hospital surgery and ICU units, information equipment, electronic equipment, and in front of control equipment or nearest socket box of control equipment
Product Advantages
High current capacity with quick response time
Low residual voltage and free of leakage current
Easy installation with DIN rail mounting
Status indicators visually verify protection level
Simple, professional installation of arrester modules
Our Services
22 years global leading professional manufacture of electrical products surge arresters
All products well packed before shipping
Standard packaging with custom packaging options available
Faster delivery times
Individually tested prior to shipment
Company Introduction
Wenzhou Britec Electric Co., Ltd. was established in 2003 and is a professional surge protective devices (SPD) manufacturer with many years of experience. We provide quality products, competitive pricing, prompt delivery, and excellent service, and look forward to even greater cooperation with overseas trade based on mutual benefits.
Shipping
Certifications
Installation Guidelines
Typically installed in distribution boxes, with power phase line (L) and neutral (N) connected to corresponding surge protector access terminals to ensure secure and reliable operation. The surge protector ground terminal must be properly connected to ground.
Surge protectors should be regularly inspected. If the protection window turns red, indicating deterioration, or if the fuse trips, the module should be promptly maintained or replaced.
After installation, verify that the protection unit is properly plugged in, close the automatic circuit breaker (fuse) switch, and check that the working status is normal.