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  2. Low-voltage protection and power distribution
  3. Btdin modular protection and command devices
  4. Earth leakage circuit breakers (Rccb's)
  5. BT-G744AC25
  • Earth leakage circuit breaker 4P - type AC - In= 25A - Idn= 300mA - Vn= 400Vac - 4 modules
Btdin BTicino

Earth leakage circuit breaker 4P - type AC - In= 25A - Idn= 300mA - Vn= 400Vac - 4 modules

BT-G744AC25 | 8005543459768
Earth leakage circuit breaker 4P - type AC - In= 25A - Idn= 300mA - Vn= 400 Vac - 4 modules
Technical Characteristics
Number of poles 4
Rated voltage 400 V
Rated current 25 A
Rated fault current 0.3 A
Rated insulation voltage Ui 500 V
Rated impulse withstand voltage Uimp 4 kV
Mounting method DIN rail
Leakage current type AC
Selective protection No
Short-time delayed tripping No
Voltage type AC
With interlocking device Yes
Frequency 50 Hz
Additional equipment possible Yes
Degree of protection (IP) IP20
Width in number of modular spacings 4
Built-in depth 44 mm
Ambient temperature during operating (Min-Max) -25-60 °C
Pollution degree 2
Connectable conductor cross section multi-wired (Min-Max) 0.75-35 mm²
Connectable conductor cross section solid-core (Min-Max) 0.75-50 mm²
Colour Grey
RAL-number (similar) 7035
Explosion-proof No
Width 71.2 mm
Height 83 mm
Depth 77.8 mm
degree of impact strength (IK) IK04
Storage temperature (Min-Max) -40-70 °C
Nominal voltage (Min-Max) 220-440 V
Electric supplying direction By the top or bottom
Terminal marking indication Yes
Stress test conformity (1000V) Yes
Connection type Screwed terminal
Connection type Busbar and cable
Label space/information surface Yes
Documentation
2 documents
Technical Sheet
IDP000408EN-01 | PDF (373 KB) | EN
Instruction Use
LE05040AB | PDF (3.3 MB) | EN · IT · FR · DE · ES
2 documents
Agreement
LGQFFHNOJR | FILE (523 KB) | EN · IT
PEP-EPD
LGRP-02395-V01.01-EN | PDF (733 KB) | EN
1 documents
2D Autocad
CAD_G74 | DWG (104 KB)