Siemens 1.8 → 2.5 A SIRIUS 3RV 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

Looking for a way to keep your induction motor safe and sound? Choose this motor protection circuit breaker from Siemens. It disconnects power when there's an electrical fault to cut the risk of equipment damage, so you won't get any shocking surprises. As it trips your circuit in 10 seconds or less, the unit steps in quickly to reduce the risk of hazards. A voltage rating of 690V AC means it holds its own in medium-duty applications. Thanks to compact dimensions of 90 (H) x 45 (W) x 75mm (D), you can install it in tight spaces to support industrial pumps, compressors and millers.

• Snaps into place on a DIN rail for quick, tool-free installation
• IP20 rating means it's touch-proof and protected against objects larger than 12mm
• Wide operating temperature range between -20°C and +60°C for use in harsh conditions

This unit has screw terminals to make secure wiring a breeze without the need for special tools.

Yes, it has built-in short-circuit protection to minimise the risk of harm to equipment and personnel.