Legrand DX³ 0.5A Triple Pole MCB C Curve 10kA 3-Phase Circuit Breaker for ₹539

At a glance

The Legrand DX³ 0.5A Triple Pole Miniature Circuit Breaker (MCB) is currently listed for ₹539 on Amazon India. Designed specifically for three-phase systems, this C-curve 10kA breaker is tailored for low-load instrumentation feeds, control panels, and sensitive equipment protection.

Quick facts

• Current Rating: 0.5 Ampere
• Pole Configuration: Triple Pole (TP) for 3-Phase 415V AC
• Breaking Capacity: 10kA (ISI Marked per IS/IEC 60898-1:2002)
• Tripping Curve: C Curve (suitable for moderate inrush current loads)
• DC Rating: Up to 80V per pole (1kA breaking capacity)
• Warranty: 18-month manufacturer warranty

Product overview

Legrand DX³ series circuit breakers are built for reliable commercial and industrial distribution networks. The 0.5A TP variant provides precise low-current protection across all three phase conductors simultaneously. Its C-curve tripping characteristic tolerates mild switching surges while reacting swiftly to sustained overloads and short circuits. Featuring ISI certification under IS/IEC 60898-1, it is engineered for long-term operational durability in control circuits, fire alarm monitoring panels, and three-phase signal wiring.

Why consider it

• Precise Low-Current Rating: 0.5A rating prevents nuisance trips on delicate control wiring while protecting sensitive devices.
• High Breaking Capacity: 10kA rating ensures safety against severe fault currents in industrial environments.
• Dual AC/DC Versatility: Rated for standard 415V AC 3-phase systems as well as DC applications up to 80V per pole.

Pros and cons

Pros:

• Reputable Legrand industrial build quality and ISI marking.
• Simultaneous 3-pole isolation protects all three phase legs.
• 18-month warranty standard from manufacturer.

Cons:

• Niche 0.5A capacity makes it unsuitable for standard domestic appliance circuits.

Who should buy it

This circuit breaker is best suited for electrical contractors, panel builders, and industrial maintenance teams managing 3-phase control panels, signal wiring, or instrumentation circuits requiring low-current 0.5A protection. It is not intended for high-power equipment or general household wiring.

Final verdict

If you require a specialized 0.5A triple-pole breaker for industrial automation or control systems, this offer provides solid value at the listed price of ₹539.