Products

LD-22G, LD-25G

Power line Type1 SPD (GDT)

LD-22G,LD-25G

  • Coordinated and modular single-pole SPD with high follow current limitation.
  • JISクラスⅠ・Ⅱ
  • JISクラスⅠ・Ⅱ
  • JISクラスⅠ・Ⅱ

Features

・Discharge capacity up to 50kA (10/350μs)
・Low voltage protection level
・EU RoHS Compliant with regulated substances

Type

LD-22G
LD-25G

Specification

Type LD-22G LD-25G
SPD according to EN 61643-11/IEC 61643-11 type1
Nominal a.c. voltage (Un) 230V
(50 / 60 Hz)
Max. continuous operating a.c. voltage (Uc) 255V
(50 / 60 Hz)
Lightning impulse current (10/350μs) (Iimp) 25kA 50kA
Voltage protection level (Up) ≦1.0kV ≦4.0kV
Follow current extinguishing capbility a.c. (Ifi) 17.5kArms 4.0kArms
Response time (tA) ≦50ns
Max. backup fuse 250 A gL/gG
Operating temperature range -40℃~ +85℃ -40℃~+80℃
Number of ports 1
Cross-sectional area (L/N, N/PE (N)) (max.) 50mm2 stranded / 35mm2 flexible
Recommended conductor cross section 25mm2
For mounting on 35mm DIN rails acc. To EN 60715
Enclosure material thermoplastic, UL 94 V-0
Place of installation Indoor installations
Degree of protection IP 20
Capacity 2 module(s)DIN 43880
Conformity to environment Comply to RoHS requirement
Remote signalling contact Normal:ON Failure:OFF
a.c. switching capacity 250V / 2A
Cross-sectional area for remote signalling terminals max. 1.5mm2
solid / flexible

Purpose

Protects equipment from lightning surges entering the power supply.
Type1 SPD (Surge Arrester, 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

Dimension drawing

LD-22G,LD-25G