Power line Type1 SPD(MOV)

LD-C22EFS, LD-42EFS

Coordinated and modular single-pole SPD with high follow current limitation; with remote signalling contact for monitoring system (floating changeover contact).

Features

・Large energy protection capability with superior MOV unit
・Low protection level : Up ≦1300V
・Very fast response time (≦3nsec), Decoupling inductance not required
・Discharge capacity up to 25kA (10/350μs)
・Appropriate for earth bonding
・Operating state / fault indication by red indicator flag
・EU RoHS Compliant with regulated substances

Visual confirmation of function by means of a deterioration indicator plate

Type

LD-C22EFS
LD-42EFS

Specification

Type	LD-C22EFS	LD-42EFS
SPD according to EN 61643-11 /IEC 61643-11	type1
Nominal a.c. voltage (Un)	230V(50 / 60 Hz)	440V(50 / 60 Hz)
Max. continuous operating a.c. voltage (Uc)	275V(50 / 60 Hz)	510V(50 / 60 Hz)
Nominal discharge current (In)	25kA
Lightning impulse current (10/350μs) (Iimp)	25kA
Voltage protection level (Up)	≦1.3kV	≦2.5kV
Response time (tA)	≦3ns
Max. main-side over current protection	315A
Short-circuit withstand capability	50kA
Operating temperature range	-20℃～ +50℃
Operating state / fault indication	Indication bar flag Failure mode contact
Number of ports	1
Cross-sectional area (min.)	8mm² Stranded
Cross-sectional area (max.)	22mm² Stranded
For mounting on	35mm DIN rails / bolt
Enclosure material	thermoplastic, UL 94 V-0
Place of installation	Indoor installations
Degree of protection	IP 20
Poles (terminal)	1
Conformity to environment	Comply to RoHS requirement
Type of remote signalling contact	changeover contact
a.c. switching capacity	250V / 0.5A
d.c. switching capacity	125V / 0.2A ;
Cross-sectional area for remote signalling terminals	0.75 ～1.25mm² solid / flexible

Purpose

Protects equipment from lightning surges entering the power supply.
Type1 SPD (surge arrestor, arrester) for power supply.
Single-phase 2-wire, single-phase 3-wire, 3-phase 3-wire, 3-phase 4-wire, 1φ2W, 1φ3W, 3φ3W, 3φ4W, AC100V, AC200V, AC400V

Dimension drawing

Products