Motor Protection Circuit Breakers and Motor Circuit Protectors

Catalogs > Industrial Controls Catalog > Motor Control, IEC > Motor Protection Circuit Breakers and Motor Circuit Protectors > Bulletin 140M Motor Circuit Protectors

Bulletin 140M Motor Circuit Protectors

Bulletin 140M Motor Circuit Protectors

• Current range 0.16…1200 A
  
• UL Listed/Recognized for motor loads
  
  • Short-circuit protection
    
  • Overload protection must be provided separately
    
• Visible trip indication
  
• High current limiting
  
• High switching capacity
  

Your order must include: cat. no. of the Motor Circuit Protector selected and, if required, cat. no. of any accessories.

The Bulletin 140M Motor Circuit Protectors provide short circuit protection for individual motor loads. Factory-installed internal accessories make installation and wiring easy.

General Information

Motor Circuit Protectors may provide the following protective and control functions.

Disconnect for Motor Branch Circuit

Branch-Circuit, Short-Circuit Protection (Magnetic Protection)

Switching (Manual)

In North America, electrical codes require that an individual Motor Branch Circuit be protected by a UL/CSA Listed Fuse, Circuit Breaker or Self-Protected Combination Motor Controller.

140M-C, D and F Frames:

The 140M-C, D and F frame Motor Circuit Protectors have one UL/CSA Listing – 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 appropriate rules which require the use of an upstream Branch-Circuit, Short-Circuit Protective Device (BCPD). See the table on for the specific ratings of each Motor Circuit Protector.

The 140M-C, D and F Frame Motor Circuit Protectors are also UL/CSA Listed, together with a Bulletin 100C contactor and Bulletin 193 overload relay, as part of our Bulletin 103T and 107T Self-Protected IEC Combination Starters. These starters are then able to provide all of the necessary NEC/CEC requirements for the protection and control of individual Motor Branch Circuits without additional protective devices.

140M-H, J and L Frames:

The 140M-H, J and L frame Motor Circuit Protectors are UL/CSA Recognized as Circuit Breakers as shown in the table on . They are UL/CSA Recognized, rather than UL/CSA Listed, since they only provide short circuit protection and not thermal overload protection for the motor.

140M-H, J and L frame Motor Circuit Protectors (MCPs) are also UL/CSA Listed, together with a Bulletin 100C contactor and Bulletin 193 overload relay, as part of our Bulletin 113 IEC Combination Starters. These starters are then able to provide all of the necessary NEC/CEC requirements for the protection and control of individual Motor Branch Circuits without additional protective devices.