Power Surge Arresterr

M3C385-60Ⅱ-3

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 This product employs a '3+1' protection circuit with built-in overheat and overcurrent protection functions, providing Class C (Type II testing) lightning protection for low-voltage power distribution systems and electrical equipment. The product features an integrated structural design for easy installation and maintenance, and is equipped with a remote signaling alarm interface (dry contact) to facilitate remote monitoring.

3.Technical specifications

Item	Specification
Product Model	M3C385-60II-3
Nominal Operating Voltage – Un	230V/400VAC
Rated Operating Frequency	48~62Hz
Maximum Continuous Operating Voltage – Uc	385V (L-N)/255V (N-PE)
Nominal Discharge Current – In (8/20μs)	30kA (L-N, N-PE)
Maximum Discharge Current – Imax (8/20μs)	60kA (L-N, N-PE)
Voltage Protection Level – Up (30kA 8/20μs)	2.0kV (L-N)/1.5kV (N-PE)
Clamping Voltage – Up (20kA 8/20μs)	1.8kV (L-N)/1.0kV (N-PE)
Temporary Overvoltage Fault Characteristic (TOV)	385V 15sec(L-N),400V/5sec(L-PE)
Transient Overvoltage Fault Characteristics	1430V 1200ms(L-PE), 1200V/200ms(N-PE)
Withstand Short-Circuit Current	25kArms
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
Product Certification	CE, TUV