Siemens 1.1 → 1.6 A SIRIUS Motor Protection Circuit Breaker, 690 V

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

When you power up your industrial gear, make sure it's properly protected with this motor protection circuit breaker from Siemens. The unit grinds short circuits and overcurrent to a halt, shielding motor-driven appliances from damaging electrical faults. As current setting range between 1.1 and 1.6A lets you choose the protection level needed by attached devices. Handy DIN rail mounting means the unit clicks into your control cabinets in a snap to speed through set-up. Thanks to labelled conductor terminals along the top and bottom sides, getting wiring in line is no trouble. You'll find circuit breakers like this protecting HVAC systems and automotive manufacturing equipment.

• Operating frequency of 15 cycles per hour, so you can trust that it's always ready to kick into action
• Simple rocker switch for quick resets
• Service life of 100,000 operations, so you get long-term protection
• Low power loss of 2.4W per pole to boost energy efficiency

You can change this product's current setting by turning the screw dial on its front plate, so adjusting it to fit your machine is hassle free.