ABB 1SDA066569R1 A3N 400 TMF 400-4000 4p F F InN=100%In 4P 400A Fixed Molded Case Circuit Breaker

The ABB 1SDA066569R1 (A3N 400 TMF 400-4000 4p F F InN=100%In) is a 400 A, 4-pole, fixed-mounted molded case circuit breaker (MCCB) from the Formula A3N range, ABB's compact and economical MCCB series for low-voltage distribution protection. It is fitted with a fixed thermal-magnetic (TMF) trip unit and is rated 36 kA Icu at 400 V AC. Dimensions (W × H × D) are 186 mm × 205 mm × 103.5 mm and weight is 6 kg.

Technical Specifications

Certifications & Standards

• CE: Complies with European Union low-voltage and electromagnetic compatibility directives for unrestricted sale within the EEA.
• IEC: Designed and tested in accordance with IEC standards for low-voltage switchgear and controlgear.
• RoHS: Restriction of Hazardous Substances, free from lead, mercury, cadmium, and other restricted materials per EU Directive 2011/65/EU.
• REACH: Compliant with EU REACH regulation (EC No 1907/2006) regarding substances of very high concern (SVHC).
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive for responsible end-of-life recycling and disposal.

Selection Notes

• Rated current is 400 A; check it against the continuous load current of the circuit being protected.
• Icu is 36 kA at 400 V AC; confirm it is equal to or higher than the prospective fault current at the installation point.
• This is a 4-pole version with the neutral pole rated 100 % In; use it where the neutral conductor must be switched, and confirm the pole count matches the system. Mounting is fixed (not plug-in or withdrawable).
• The TMF trip unit has fixed thermal and magnetic thresholds, so choose the rating that matches the load rather than relying on field adjustment.