1. Catalogue
  2. Low-voltage protection and power distribution
  3. Btdin modular protection and command devices
  4. Earth leakage circuit breakers (Rccb's)
  5. BT-G723B40
  • Earth leakage circuit breaker type B 2P - In= 40A - Idn= 30mA
Btdin BTicino

Earth leakage circuit breaker type B 2P - In= 40A - Idn= 30mA

BT-G723B40 | 8005543686393
Earth leakage circuit breaker type B 2P - In= 40A - Idn= 30mA - Vn= 400Vac - 4 modules
Description

Protects persons against direct and indirect contacts, and electric shock hazard. Provides protection against fire hazards due to a persistent earth fault current. Can also be used to control and isolate the installation.

Product characteristics
  • Can be supplied by wire
  • Protected against solid bodies larger than 12,5mm ("fingerproof"): IP20 according to IEC/EN 60529 standard.
  • Can be equipped with Bticino Btdin auxiliaries and accessories.
  • For the detection of AC, pulsating DC and high frequency residual currents.
  • Fitted with a test button, to be used frequently to check the tripping of the residual current function.This device complies with substance-restriction requirements and has been designed in an environmentally conscious process.
Recommendations / Restrictions
  • This product should be installed in compliance with installation rules, preferably by a qualified electrician. Incorrect installation and/or incorrect use can lead to risk of electric shock or fire.Before carrying out the installation, read the instructions and take account of the product's specific mounting location.Do not open up, dismantle, alter or modify the device except where specifically required to do so by the instructions. All Legrand products must be opened and repaired exclusively by personnel trained and approved by Legrand. Any unauthorised opening or repair completely cancels all liabilities and the rights to replacement and guarantees.Use only Legrand brand accessories
Products benefits
Installation
  • Fitted with four DIN rail clamps, two top side and two bottom side, allowing an independent removal of this product when the prong busbar supplying the row is still in place.
Usage
  • Fitted with a label holder allowing a clear, visible and convenient identification of the circuit.On and OFF indication printed on the handle respectively on red and green backgrounds for an easy identification of the status of the RCCB
Technical Characteristics
Number of poles 2
Rated voltage 230 V
Rated current 40 A
Rated fault current 0.03 A
Rated insulation voltage Ui 500 V
Rated impulse withstand voltage Uimp 4000 kV
Mounting method DIN rail
Leakage current type B
Selective protection No
Short-time delayed tripping Yes
Short-circuit breaking capacity (Icw) 10 kA
Surge current capacity 3 kA
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) 195-253 V
Electric supplying direction By the top or bottom
Terminal marking indication Yes
Stress test conformity (1000V) No
Halogen free Yes
Connection type Screwed terminal
Connection type Busbar and cable
Label space/information surface Yes
Documentation
2 documents
Technical Sheet
IDP001610EN-04 | PDF (525 KB) | EN
Instruction Use
LE12795BA | PDF (3 MB) | FR · EN · DE · ES · IT
1 documents
PEP-EPD
LGRP-02395-V01.01-EN | PDF (733 KB) | EN