Automatic Circuit Breaker BM B63/4, 6kA

Four-pole automatic circuit breaker designed to protect alternating current electrical circuits. Provides switching and protection against overloads and short-circuit currents in distribution panels and control cabinets.

Main Parameters:

• Rated Current: 63A
• Number of Poles: 4 (three-phase network + neutral)
• Trip Characteristic: B (range 3–5 In)
• Switching Capacity: 6kA at rated voltage
• Design: AC-MCB (automatic circuit breaker for alternating current)
• Series: BMS6 (manufactured by Schrack)

Technical Specifications:

• Complies with international standards EN 60898-1:2019, EN 60947-2:2006 + A1:2009 + A2:2013, EN 60947-2:2017 + A1:2020, EN 63000:2018
• Operating temperature range: from –40°C to +75°C
• Power loss at rated current: 20.80W
• Mounting width: 71.20 mm (4 modules)
• Height and depth ensure standard DIN-rail mounting

Application:

Used for protection of power cables, distribution lines, and equipment in industrial and commercial installations. Ensures rapid disconnection in case of emergency conditions.