Siemens 3VL3725-1AA36-0AA0 Molded Case Circuit Breaker

The Siemens 3VL3725-1AA36-0AA0 VL250N molded case circuit breaker is a 3-pole, 250 A MCCB designed to protect low-voltage power distribution systems from overloads and short circuits in industrial electrical equipment; it is commonly installed in motor control centers, switchboards, and control panels. It delivers up to 55 kA breaking capacity at 415 VAC, is rated for up to 690 VAC operation, with an insulation voltage of 800 V and a rated impulse withstand voltage of 8 kV; it uses screw-terminal connections and features IP20 protection, and it does not include an electronic trip unit. Physical and electrical characteristics include fixed mounting, 50/60 Hz operation, weight around 1.95 kg, and a mechanical service life of about 20,000 switching cycles with electrical endurance around 10,000 cycles. As part of Siemens' VL250N/3VL3 family produced in Germany, this model is listed as discontinued with phase-out started by the manufacturer, and Siemens also lists compatible replacements such as 3VA2225-5HL32-0AA0, 3VL3725-1SB36-0AA0, and 3VL3725-1DC36-0AA0.