Bulletin 140G MCCB

The Allen-Bradley Bulletin 140G is a family of molded case circuit breakers (MCCBs) spanning multiple frame sizes and interrupting ratings for industrial power distribution and branch-circuit protection. The catalog number follows a structured format: the frame-size letter (G, H, J, M, and others) identifies the ampere frame rating, the pole count and trip-unit code follow, and dash suffixes encode the ampere trip setting, interrupting capacity, and accessory options — for example, 140G-G3C3-C30-MT identifies a 125 A G-frame, 3-pole, fixed thermal-magnetic trip breaker at 35 kA/480 V with a specific terminal configuration, while 140G-M5F3-D80-SJ-AA identifies an 800 A M-frame with adjustable thermal and adjustable magnetic trip. Current-limiting variants (HC prefix, e.g., 140G-HC6C3-C50-KJ) deliver elevated 65 kA interrupting ratings at 480 V. Accessories such as rotary operators (140G-M-RVM12R) and flexible cable mechanisms (140G-M-FCS06) extend mounting and switching flexibility across the M-frame line. With more than 1,600 catalog numbers, this family covers a broad range of frame sizes, trip-unit styles, and accessory configurations; consult the Bulletin 140G MCCB Technical Data for full selection guidance.

Bulletin 140G MCCB

Allen-Bradley 140G-K-CC Circuit Breaker Accessory,Frame K M,Ext.Neutral Connector,Qt

Allen-Bradley 140G-K-CC2 Circuit Breaker Accessory,Frame K,Residual Current Module,4p

Allen-Bradley 140G-K-CEAA Circuit Breaker Accessory,Frame N NS,Qty 1,2AX 400V AC

Allen-Bradley 140G-K-CIC Circuit Breaker Accessory,Frame K M,Comm. Connector,Qty 1

Allen-Bradley 140G-K-EA1R1A Circuit Breaker Accessory,Frame K M,Cable,Qty 1,AX/AL 250V A

Allen-Bradley 140G-K-EA1R1B Circuit Breaker Accessory,Frame H J,Cable,Qty 1,AX/AL 400V A

Allen-Bradley 140G-K-EA2B Circuit Breaker Accessory,Frame M,Ext. Neutral Current Trans

Allen-Bradley 140G-K-EA3R1A Circuit Breaker Accessory,Frame K M,Cable,Qty 1,AX/AL 250V A

Allen-Bradley 140G-K-EA3R1J Circuit Breaker Accessory,Frame K,Ext. Neutral Current Trans

Allen-Bradley 140G-K-EAM1A Circuit Breaker Accessory,Frame K,Qty 1,Early Make Handle Au

Allen-Bradley 140G-K-ECM Circuit Breaker Accessory,Frame K,End Cap,3Pole,Qty 3

Allen-Bradley 140G-K-ECM4 Circuit Breaker Accessory,Frame K,End Cap,4Pole,Qty 4

Allen-Bradley 140G-K-ECOPA Circuit Breaker Accessory,Frame K,Stored Energy Motor Operat

Allen-Bradley 140G-K-ECOPB Circuit Breaker Accessory,Frame K,Stored Energy Motor Operat

Allen-Bradley 140G-K-ECOPD Circuit Breaker Accessory,Frame K,Stored Energy Motor Operat

Allen-Bradley 140G-K-ECOPJ Circuit Breaker Accessory,Frame K,Stored Energy Motor Operat

Allen-Bradley 140G-K-ECOPKY Circuit Breaker Accessory,Frame K,Stored Energy Motor Operat

Allen-Bradley 140G-K-ELP Circuit Breaker Accessory,Frame H,Residual Current Module,4p

Allen-Bradley 140G-K-EOPA Circuit Breaker Accessory,Frame H J,Stored Energy Motor Oper

Allen-Bradley 140G-K-EOPB Circuit Breaker Accessory,Frame K,Stored Energy Motor Operat

Allen-Bradley 140G-K-EOPD Circuit Breaker Accessory,Frame H J,Stored Energy Motor Oper

Allen-Bradley 140G-K-EOPJ Circuit Breaker Accessory,Frame H J,Stored Energy Motor Oper

Allen-Bradley 140G-K-EOPKY Circuit Breaker Accessory,Frame H J,Stored Energy Motor Oper

Allen-Bradley 140G-K-EP Circuit Breaker Accessory,Frame I,Escutcheon,3p,Qty 1

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