Power Surge Protective Device KEMA-KEUR 4P 150V/275V/320V/385V AC 20kA 40kA 65kA for TT and TNS Power System Lightning SPD T2-AC SPD Class II-Zhuhai Telehof Electrics Company Limited

Summary

BT PCM TT 3+1 150/275/320/385 RM 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 TT(“3+1” circuit) and TNS power supply system. Designed according to IEC 61643-11/GB 18802.1.

Hightlight Features

• Pluggable module, easy for installation and maintenance.

• High discharge capacity, quick response.

• Double thermal disconnector devices, providing more reliable protection.

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

• BT PCM 150/275/320/385/255 RM, BT PCM TN 150/275/320/385 RM, BT PCM TT 1+1 150/375/320/385 RM, BT PCM TNC 150/275/320/385 RM, BT PCM TNS 150/275/320/385 RM, BT PCM TT 3+1 150/275/320/385 RM and this series of products have passed KEMA-KEUR certification.

Technical data

Type	BT PCM TT3+1 150 RM	BT PCM TT3+1 275 RM	BT PCM TT3+1 320 RM	BT PCM TT3+1 385 RM
Rated voltage (max. continuous voltage) [Uc] L-N / N-PE	150V / 255V	275V/ 255V	320V / 255V	385V / 255V
Nominal discharge current (8/20) [In] L-N / N-PE	20kA / 40kA	20kA / 40kA	20kA / 40kA	20kA / 40kA
Max. discharge current (8/20) [Imax] L-N / N-PE	40kA / 65kA	40kA / 65kA	40kA / 65kA	40kA / 65kA
Voltage protection level at In [Up] L-N / N-PE	≤ 0.9kV / ≤ 1.8kV	≤ 1.3kV / ≤ 1.8kV	≤ 1.5kV / ≤ 1.8kV	≤ 1.8kV / ≤ 1.8kV
Voltage protection level 5kA [Up] L-N	≤ 0.7kV	≤ 1.0kV	≤ 1.2kV	≤ 1.35kV
Response time [tA] L-N / N-PE	≤ 25ns / ≤ 100ns	≤ 25ns / ≤ 100ns	≤ 25ns / ≤ 100ns	≤ 25ns / ≤ 100ns
Max. back up fuse [F]	125A gL/gG	125A gL/gG	125A gL/gG	125A gL/gG
Operating temperature range [Tu]	-40°C...+80°C
Cross-sectional area	1.5mm² ~ 25mm² solid / 35mm² flexible
Mounting on	35mm DIN rail
Enclosure material	Purple (module) & light grey (base) thermoplastic, UL94-V0
Dimension	4 mods
Test standards	IEC 61643-11; GB 18802.1; YD/T 1235.1
Certification	KEMA, CE, CB, ROHS
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 signalling contact	Max. 1.5mm² solid / flexible
Ordering information
Type	BT PCM TT3+1 150 RM	BT PCM TT3+1 275 RM	BT PCM TT3+1 320 RM	BT PCM TT3+1 385 RM
Art.-No.	810 812	810 813	810 913	810 815
Packing unit	1pc(s)	1pc(s)	1pc(s)	1pc(s)