Siemens 2.2 → 3.2 A SIRIUS Motor Protection Circuit Breaker

Maximum rated current 100A (45kW @ 400V a.c.)
Rated operational voltage: 690V
Short-circuit proof to 50kA @ 400V a.c.
Maximum switching frequency; 15 operations/hour
Mechanical life; 10⁵ operations
Ambient temperature range; –20 to +60 ° C
Long term stability
Manual reset
Lockable in off position

UL, CSA

IEC947, VDE0990, EN60947

Keep your industrial engines running with this motor protection circuit breaker from Siemens. The device disconnects electricity when it detects faults to prevent injury and damage to your equipment. A toggle switch means you can quickly turn it on or off, giving you close control at your fingertips. Thanks to a wide operating voltage range between 20 and 690V AC, this is a versatile option for use with systems from pumps and compressors to crushers. For installation in a snap, just pop it onto a DIN rail in any position.

• Compact dimensions of 90 (H) x 45 (W) x 75mm (D) for installation in tight spaces
• Broad operating temperature range between -20°C and +60°C for use in tough conditions
• Integrated short-circuit protection for improved safety
• Robust mechanical service life of 100,000 switching cycles for long-lasting performance

This unit trips your circuit in 10 seconds or less, so you can rest assured you'll get a rapid-fire response to electrical faults.