# Three-Phase 3-Way Switch C16 16 Amp MCB Breaker

> Clean MotorCables product record generated from the Ashford/Luna product-evidence layer.

- Canonical URL: https://motorcables.co.uk/product/three-phase-mcb-breaker-16a-3-way/
- Product ID: 2363
- SKU: 5061040454197
- Brand: HDIUK, Tomzn
- Categories: Breaker Switches, Breakers and RCBO, RCD Devices
- Price snapshot: £34.99
- Availability snapshot: instock
- Product modified: 2026-07-27T14:31:13Z

## Product-specific description

Reliable 3-phase protection for industrial and commercial setups. The Tomzn TOB1-63H C16 MCB is a compact 3-pole miniature circuit breaker rated at 16 A with a C-curve tripping profile — ideal for motors, heating circuits, and lighting systems where moderate inrush currents occur. Designed for professional three-phase panels and distribution boards. Key Features 3-pole design: Protects all three phases in a 400 V AC system. Rated current: 16 A C-curve (5–10 × In trip range). Breaking capacity: 6 kA — complies with IEC/EN 60898-1 and GB/T 10963.1. Mounting: Standard 35 mm DIN rail — fits UK distribution boards and enclosures. Material: Flame-retardant thermoplastic housing for safety and durability. Technical Summary Poles 3 (Three-phase) Rated Current 16 A (C16) Voltage Rating 400 V AC 50/60 Hz Breaking Capacity 6 kA (6000 A) Operating Temperature –5 °C to +40 °C Trip Curve Type C (5–10 × In) Mounting 35 mm DIN rail (3-module width) Standards IEC 60898-1 / GB 10963.1 Body Material Flame-retardant thermoplastic Ideal For Industrial machine panels and control boards Three-phase heating and HVAC systems Commercial lighting and distribution circuits Motor and pump protection setups Outdoor installations when used with an IP65 three-way enclosure for full weather protection Installation Tips Always isolate power before installation. Fit securely on a standard DIN rail and tighten terminals firmly to prevent arcing. For outdoor or portable use, install the breaker inside an IP65-rated mini enclosure and use quality 1.5 mm² or 2.5 mm² Cable Coils for wiring — that’s why we test them. Shipping & Support UK-stocked and dispatched same day on orders before 2 PM. Securely packed for transit and backed by friendly UK support from MotorCables.

## Interpretation notes

- The engineering fields above are deliberately limited to unambiguous catalogue evidence.
- Do not infer missing phase, voltage, current, connector or compatibility facts.
- Price and availability can change; verify the canonical product page for a current purchase.