Kenmonth Engine Company CH140 Circuit Breaker 40 Amp Single Pole

The CH140 is a 40-amp single-pole thermal-magnetic circuit breaker designed for residential and light commercial electrical applications. This plug-in style breaker provides reliable overcurrent protection for branch circuits in load centers and electrical panels.

Key Specifications:

• 40 amp current rating
• Single pole (1-pole) configuration
• 120/240 VAC voltage rating
• 10,000 amp interrupting capacity (10kAIC @ 120V)
• Thermal-magnetic protection with long-time and instantaneous trip functions
• Plug-in connection type for easy installation
• Accepts 14 to 2 AWG aluminum or copper wire
• UL 489 and CSA certified
• Requires one 3/4-inch space in load center

Applications: Suitable for protecting circuits up to 3,600 watts including well pumps, bathroom heaters, electric motors (1.5 to 2 HP), and other residential electrical loads. The thermal-magnetic protection trips the breaker off during overload or short circuit conditions, preventing wire overheating and potential fire hazards.