Circuit breaker Legrand Tx3 C16A 3P 6 kA model 403545

Legrand Tx3 C16A 3P miniature circuit breaker, model 403545, is a three-pole protective device rated 16 A with a type C tripping characteristic and a breaking capacity of 6 kA. It is intended for installation on a DIN rail to protect three-phase circuits in residential and commercial electrical systems from overloads and short circuits while meeting standard wiring requirements.

Advantages

The Legrand Tx3 C16A 3P offers coordinated thermal-magnetic protection for three-phase circuits, compact DIN-rail mounting for easy installation, and a 6 kA breaking capacity suitable for typical building distribution. Its type C curve provides reliable response to moderate inrush currents from motors and lighting loads without nuisance tripping.

Suitable for

• Protection of three-phase branch circuits in homes and small commercial premises
• Applications with moderate motor or inductive inrush currents
• DIN-rail electrical distribution boards and consumer units

Key specifications

• Brand: Legrand
• Model / MPN: 403545
• Type: Miniature circuit breaker, 3-pole (3P)
• Rated current: 16 A (C curve)
• Rated voltage: 400 V
• Breaking capacity: 6 kA
• Mounting: DIN rail
• EAN: 3414970389534

How to use

Install the breaker on a standard DIN rail inside the distribution board, ensuring correct connection of the three phase conductors to the line terminals and loads to the load terminals. Verify the voltage and current rating match the installation requirements before energizing. After wiring, switch the breaker to ON and confirm proper operation and absence of faults in the protected circuit.

Usage recommendations

Use this Legrand Tx3 C16A 3P breaker in circuits where a type C characteristic is appropriate—typically lighting, socket circuits, and small motor loads—and coordinate it with upstream and downstream protection devices. Follow local electrical codes and have installation or modifications performed by a qualified electrician.