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Surge Proctect Device for Power Distribution System

BY1-C/1P

7. BY1-C

Type	BY1-C
Class	C
Rated voltage Un (V)	110	220/380
Max continuous operating voltage Uc (V)	140	275	320	385	420	550
Protection level Up (KV)	≤0.8	≤1	≤1.5	≤2.0		≤2.5
Max discharge current Imax (8/20uS) (KA)	40
Nominal discharge current (8/20uS) In (KA)	20
Response time T (ns)	<25
Temperature range	-40°C~+80°C
Material	PBT
Color (module/ base)	Grey/gray
Max back up fuse	32A gl
Normal model	BY1-C/4-420-20,BY1-C/4-385-20
With alarm model	BY1-C/4-420-20B
With remote control contact model	BY1-C/4-420-20X
Single phase 2P combined to single phase system	BY1-C/2-320-20

BY1-C/2P

BY1-C/3P

8. BY1-C/3+1-320-20 & BY1-C/2+1-320-20

Type	BY1-C/3+1-320-20				BY1-C/2+1-320-20
Test to	IEC61643-1				IEC61643-1
class	C				C
Rated voltage Un (V)	380				220
Max continuous operating voltage Uc (V)	320	385	420	550	320
Protection level Up (KV)	≤1.5	≤2.0	≤2.0	≤2.5	≤1.5
Max continuous operating current (A)	300				20
Nominal discharge current (8/20uS) In (KA)	N-PE20 N-PE40				20
Response time T (ns)	<100				<100
Color (module/N-PE)	Gray/blue				Gray/blue
Protection grade	IP20				IP20
Max back up fuse	32A gl				32A gl

BY1-C/4P

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Arc Welder & Cutter

Circuit Breaker

Contactor

Indicator

Meter

Power Supply

Relay

Starter

Switch

Transformer

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