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Legrand TX3 circuit breaker Miniature circuit breaker Type B 3

Legrand TX3 circuit breaker Miniature circuit breaker Type B 3
Legrand TX3 circuit breaker Miniature circuit breaker Type B 3
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R950
+R3 Reward
The Legrand Tx3 3-pole circuit breaker B6A provides thermal-magnetic protection for three-phase electrical installations. Designed for mounting in modular distribution boards, this compact device interrupts fault currents and limits overloads up to a specified breaking capacity. The B curve characte... Read More
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Stock 10 Code 2201523 Brand LEGRAND Model 403398 Warranty 2 Years

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Estimated delivery Thursday, October 8
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The Legrand Tx3 3-pole circuit breaker B6A provides thermal-magnetic protection for three-phase electrical installations. Designed for mounting in modular distribution boards, this compact device interrupts fault currents and limits overloads up to a specified breaking capacity. The B curve characteristic offers fast disconnection for short-circuit events while maintaining tolerance for temporary inrush currents from motors and transformers, making it suitable for mixed residential and light-commercial electrical circuits.

Advantages

The device combines thermal and magnetic tripping in a single compact module, ensuring reliable overload and short-circuit protection. Its three-pole design allows simultaneous disconnection of all phases to maintain system safety. The compact form factor and DIN-rail compatibility simplify installation and save space in distribution boards. The specified breaking capacity ensures secure interruption of fault currents typical for domestic and small commercial systems.

Suitable for

Key specifications

How to use

Install the circuit breaker on a standard DIN-rail inside the distribution board, ensuring correct phase and neutral wiring according to local electrical codes. Connect supply and load conductors to the appropriate terminals and tighten terminals to the manufacturer’s recommended torque. After installation, switch the device to the ON position and verify correct operation by checking circuit continuity and performing any required commissioning tests. For safety, isolate supply power before installation or maintenance and follow applicable regulations.

Recommendations

Use this circuit breaker where a B curve thermal-magnetic characteristic is appropriate—typical for general-purpose circuits and circuits with moderate inrush currents. Verify that the rated current and breaking capacity are suitable for the installation’s prospective fault level and coordinate with upstream and downstream protection devices for selective tripping where required.

Key Highlights
  • Protecting three-phase circuits in residential distribution boards
  • Small commercial and light industrial installations with moderate fault levels
  • Circuits with motors or equipment that produce temporary inrush currents
  • Retrofit or new-build installations requiring compact DIN-rail breakers
  • Poles: 3-pole configuration for three-phase protection
  • Tripping type: Thermal-magnetic with B curve characteristic
  • Rated current: 6 A
  • Breaking capacity: 6 kA
  • Mounting: Standard DIN-rail modular mounting for distribution boards
  • Usage: Designed for protection against overloads and short circuits in three-phase circuits
Specifications
Circuit breaker type
Miniature circuit breaker
Depth
77.8 mm
Dielectric strength
4000 V
Doesn't contain
Halogen
Energy limiting class
3
Height
88 mm
Input frequency
50 - 60 Hz
Input voltage
240 - 415 V
Installation type
DIN-rail
International Protection (IP) code
IP20
Number of poles
3
Pollution degree
2
Rated current
6 A
Rated voltage
400 V
Storage temperature (T-T)
-40 - 70 °C
Type
Type B
Width
53.1 mm

Leaflet

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Price history over the last 6 months
Legrand TX3 circuit breaker Miniature circuit breaker Type B 3
Current
R950
Lowest
R925
Highest
R950
Change 24H
+R8   +1%
Week
—   
Month
—   

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