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385V 380V 400V AC T2 4P 20kA 40kA Surge Protection SPD Triphase Voltage Protector

385V 380V 400V AC T2 4P 20kA 40kA Surge Protection SPD Triphase Voltage Protector

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Technical Data

Type	BT P C 4P 385 RM
According to IEC 61643-11/EN 61643-11	Class II (class 2/C) / Type 2
Art.-No.	810143
Nominal a.c. voltage[U_N](50/60 Hz)	230V/400V
System protection mode	TNC-S and TN-S
Rated voltage(max. continuous a.c. voltage) [ Uc ](50/60Hz)	385V
Nominal discharge current(8/20) [ I_n ]	20kA
Nominal discharge current(8/20) [ I_max ]	40kA
Voltage protection level at 5kA [ U_p ]	≤ 1.35kV
Voltage protection level at In [ U_p ]	≤ 1.8kV
Response time [ tA ]	≤ 25ns
TOV voltage[ U_T]	385V/5sec
Max. Back up fuse(L)	125A gL/gG
Operating temperature range [T_u]	-40°C...+80°C
Degree of protection	IP20
Cross-section area	1.5mm^₂ -25mm^₂ (solid)/ 35mm^₂ (flexible)
Mounting on	35mm DIN rail, EN 60715
Place of installation	Indoor
Number of Remote Terminal	1(or Optional)
Enclosure material	Purple (Gray/Black module,Optional) thermoplastic, UL94-V0
Dimension	4 mods (72mm wide)
Test standards	IEC 61643-11:2011 ; EN 61643-11:2012; GB/T 18802.11-2020
Certification	CE (LVD, EMC); RoHS
Type of remote signalling contact	Switching contact
Switching capacity a.c	AC: 250V/0.5A
Switching capacity d.c	DC: 250V/0.1A; 150V/0.2A; 750V/0.5A
Cross-sectional area for remote signalling contact	Max 1.5mm^₂ (solid/flexible)

Hightlight Features

1.Combined surge modules to instal in AC power supply system.

2.Pluggable module, easy for installation and maintenance.

3. Consist of varistor and thermal disconnection device.

4. High discharge capacity, quick response.

5. Double thermal disconnection device, providing more reliable protection.

6. Multifunctional terminals for connection of conductors and busbar.

7. Green window will change when fault and also provide remote alarm control at the same time.

8. Suitable for use in three phase: 220V/380V(50/60 Hz), 240V/415V(50Hz), 230V/400V(50/60 Hz) AC systems.

9. Recommended backup fuse / MCB 32A.

10. Suitable for TNC-S and TN-S installations.

Summary

BT P C 4P 385 RM(810143) is for installation at LPZ 0_B-1 or higher, protecting low voltage equipment from surge damage. Applied in modular SPD Class II (Class C) for three phase TNC-S and TN-S(“4+0” circuit) power supply system. Designed according to IEC 61643-11:2011 ; EN 61643-11:2012; GB/T 18802.11-2011.

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