The 140-CMN frame Motor Protection Circuit Breakers are UL Listed/CSA Certified as Manual Motor Controllers (with optional approvals for Motor Disconnect and Group Installation). In NEC/CEC Group Installations, these devices must be applied per the

Our Bulletin 140-CMN Motor Protection Circuit Breakers are discontinued and no longer available for sale. Customers are encouraged to migrate to our 140MG Motor Circuit Protectors.

The 140-CMN catalog numbers being discontinued are listed in the table below with a cross reference to the recommended 140MG catalog number(s). These are functional replacements and you need to select right accessories to meet functional as well as installation requirements. Extended terminal and spreader terminals are also available.

The circuit-breakers type 140-CMN / KTA 3-100 comply with isolation requirements and can be used as main or EMERGENCY OFF switches. Circuit-breaker with lockable rotary handle

Dec 20, 2023 · Rockwell Automation announced that as of December 31, 2015, all 140-CMN, KTA3, KT3 Circuit Breakers and accessories will be discontinued and no longer available for sale. Migration Incentive programs are not available for the 140-CMN, KTA3, KT3 products.

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The Bulletin 140 meets the requirements of IEC 947-2 as a circuit breaker. This device, however does not meet UL and CSA circuit breaker requirements. The Bulletin 140 is UL listed (UL508) and CSA certified as a Manual Motor Controller and is rated for Group Motor Installation.

When UL/CSA listed as Manual, Self-Protected Combination Motor Controllers, the 140M Motor Protection Circuit Breakers provide all of the necessary NEC/CEC requirements for the protection and control of individual Motor Branch Circuits without additional protective devices.

140-CMN 140-KN Red/Yellow 140-KRY Door Coupling Handle For 3 padlocks 4…8 mm (5/16 in.) in diameter IP66 Protection/Type 1, 4, 4X, 12 Interlock override capability Can be modified for locking in ON position Ships with coupling — order extension shaft and legend plate separately Mounting depth (front of DIN Rail to front of enclosure door):

Feb 20, 2020 · The 140-CMN can be used on the load side of a SMC. Two 140-CMNs can be used as long as the group motor rules are applied. This applies to the following part numbers: