Circuit breaker module Schneider Electric A9D56616, 16 A, IP40, 36 mm width, 73 mm depth

Schneider Electric A9D56616 is a single-pole circuit breaker module rated for a continuous input current of 16 A and designed for installation in electrical distribution panels and control enclosures where IP40 protection is acceptable. The device has a compact footprint with a 36 mm width and a 73 mm depth, and it is intended to provide reliable overcurrent protection for residential and light-commercial circuits. The breaker’s form factor and mounting dimensions suit standard DIN-rail and panel installations in equipment rooms and distribution boards.

Advantages

This Schneider Electric circuit breaker delivers defined overcurrent protection for branch circuits with a 16 A rated current, helping to prevent wiring overloads and short-circuit damage. Its IP40 enclosure protection provides basic protection against solid objects and typical indoor installation conditions. The module’s compact dimensions and modest weight make it suitable for high-density panel layouts while simplifying replacement and maintenance tasks.

Suitable for

• Residential branch circuit protection
• Light‑commercial electrical panels
• Control enclosures and equipment rooms with indoor environmental conditions
• Retrofit or replacement in existing distribution boards where 36 mm width is required

Key specifications

• Rated input current: 16 A
• Protection rating: IP40
• Width: 36 mm
• Depth: 73 mm
• Weight: 125 g
• Single module form factor suitable for standard panel mounting

How to use

Install the circuit breaker module according to local electrical codes and Schneider Electric mounting instructions. Ensure the main supply is isolated before wiring. Mount the module on the appropriate DIN-rail or panel slot, connect the incoming supply and outgoing load conductors to the designated terminals, and torque terminals to the manufacturer’s recommended settings. After installation, restore supply and verify correct operation by testing the protected circuit under controlled conditions.

Recommendations

Use this breaker in indoor environments where IP40 protection is sufficient; avoid locations with high humidity, dust ingress, or direct exposure to water. Match the breaker rating to cable and load specifications and adhere to applicable wiring regulations. For coordinated protection or special applications consult technical documentation or a qualified electrician.