2 Year Warranty Guaranteed
All items both Re-Certified, and New sold by Essential Electric include a 30 day return policy and a 2-year full warranty. This means that they are guaranteed to be free from defects for a full 2 years from the date that the product was shipped from our warehouse.
Product Questions? Contact Us
Product Info
- Manufacturer:Murray
- Sub-Category:Molded Case
Description
MP140
MP140 is a 40 amp, 120/240 volt, 1 pole plug-in circuit breaker from Murray designed for residential and light commercial electrical panels.
This Murray MP140 circuit breaker features a thermal magnetic trip unit with a 10kA interrupt rating and MP-T frame type. It mounts via plug-in connection and supports wire sizes 8 to 6 AWG copper or 8 to 4 AWG aluminum. UL listed for safety and reliability, it provides overload and short circuit protection in Murray loadcenters.
- Key Specifications
- Amperage: 40 Amps
- Voltage: 120/240 VAC
- Number of Poles: 1
- Mounting Type: Plug-In
- Interrupt Rating: 10,000 Amps (10 kA)
- Frame Type: MP-T
- Trip Unit: Thermal Magnetic
- Wire Size: 8-6 AWG Copper, 8-4 AWG Aluminum
- Certifications: UL Listed
- Connection Type: Load Lug
At Essential Parts, we offer fast shipping, lowest price, and expert support to help you get the right product every time.
Specifications
- Part Number: MP140
- Manufacturer : Murray
- Brand : Siemens
- Category : Circuit Breaker
- Item Subcategory : Molded Case
- Family : MP Series
- Type : MP-T
- Voltage : 120
- Amperage : 40
- Phase : 1
- Poles : 1
- AIC rating : 10kA@120V
- Connection : Plug-In
- Functions : LI - Long-Time and Instantaneous Trip
- Temp Rating : -13–158 °F (-25–70 °C)
- Protection : Thermal Magnetic
Product Data
- UPC : 040892518924
- GTIN : 00040892518924
- Country of Origin : Mexico
- Dimensions : 2.756 x 0.787 x 2.756 inch
- Weight : 0.265
You may also like
- Opens in a new window.



