Power Surge Arresterr

M1L385-20Ⅱ(1P+N)

1.Application This surge protector is primarily used for lightning surge protection and surge protection against transient overvoltages in low-voltage power distribution systems and electrical equipment.
2.Functional performance
The product is equipped with built-in overheat and overcurrent protection functions, providing Class C (Type II classification test) surge protection for low-voltage power distribution systems and electrical equipment. It adopts a 35-millimeter DIN rail mounting method, with the surge protection module being replaceable independently for convenient installation and maintenance. The product is also fitted with a remote signaling alarm interface (dry contact) to facilitate remote monitoring of the surge protector status.

3.Technical specifications

Item	Specification
Product Model	M1L385-20 II (1P+N)
Rated Voltage Un	230VAC
Maximum Continuous Operating Voltage – Uc	L-N:385VAC; PE-N:250VAC
Nominal Discharge Current – In (8/20μs)	10kA
Maximum Discharge Current – Imax (8/20μs)	20kA
Voltage Protection Level – Up (In)	≤5kV; PE:≤1.0kV
Transient Overvoltage Characteristic UTOV	L-N:400V/5sec,N-PE:1200V/200ms
Withstand Short-Circuit Current	25kArms
Front-Fuse	125AgL
Terminal Wiring Range	1.5 mm² ~25mm² (Flexible)/35mm² (Rigid)
Alarm Port Maximum Operating Current	250V/0.5A (AC) 0.1A (DC); 125V/1A (AC) 0.5A (DC)
Enclosure Flame Retardant Rating	UL94 V-0
Enclosure Protection Rating	IP20