Products

LD-C22EFS

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).
  • JISクラスⅠ・Ⅱ
  • JISクラスⅠ・Ⅱ
  • JISクラスⅠ・Ⅱ

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
Easy to replace : Plug-in type

Easy to replace : Plug-in type

Visual confirmation of function by means of a deterioration indicator plate

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

LD-C22EFS
LD-42EFS