Reference images. Contact us for photos of the available unit.


Murray

MP2020

Murray 20 Amp 1 Pole 120/240V Tandem Circuit Breaker Type MH-T


Current: 20Poles: 1Voltage: 120VConnection: Plug-In
Choose your condition
Compare New & Re-Certified

New
Original equipment manufacturer (OEM) products that have never been energized. New items may come in their original factory packaging or may be unused components removed from new panels. Packaging and cosmetic appearance can vary; contact our team for details or photos of the available unit.

Re-Certified
Original equipment manufacturer (OEM) products that have previously been energized and have been inspected, tested, and recertified for return to service. These items may show signs of prior use. Contact our team for details about the unit’s condition, testing documentation, and applicable warranty.

Ask about this part →
Price:
Sale price$34.09 Regular price$157.50
Save $123.41
Stock:
Low inventory, please call (866) 377-3532 for stock check

Line-side lugs not included

Load-side lugs are included. Line-side lugs are sold separately.

Ask us for the matching lugs →

Need it urgently? Call to confirm shipping options

Buying for a project? Request a quote

Same-Day Shipping

Most items ship same-day if ordered by 12:30 PM PST.

Product Description & Specifications

Confirm the complete catalog number and application requirements before ordering. The specifications below reflect the product information available for this listing.

Manufacturer
Murray
Brand
Siemens
Sub-Category
Molded Case
Series
MP Series
Frame
MP-T
Rated current
20
Voltage
120V
Poles
1
Phases
1
Interrupting rating
10kA@120V
Trip functions
Long Time and Instantaneous Trip
Protection
Thermal Magnetic
Connection
Plug-In
Lugs
Load side only
Country of origin
Mexico
Show all specifications (6 more)
Temp Rating
-13°F to 158°F (-25°C to 70°C)
UPC
040892281101
GTIN
00040892281101
Dimensions
2.756 x 2.756 x 0.787 inch
Weight
0.375
Wire Size
AWG 14 to AWG 8, Copper, AWG 12 to AWG 8, Aluminum
Product description & additional details

MP2020


MP2020 is a 20 Amp, single-pole tandem circuit breaker from Murray designed for 120/240V electrical systems.MP2020 features a thermal magnetic trip unit and a Type MH-T molded case frame, providing reliable overload and short circuit protection. It mounts with a plug-on style for easy installation and has a 10 kA interrupting rating. This breaker is UL listed and suitable for residential and light commercial applications.
    Key Specifications
    • Amperage: 20 Amp
    • Voltage: 120/240V AC
    • Poles: Single Pole (Tandem)
    • Mounting Type: Plug-On
    • Interrupt Rating: 10 kA
    • Series/Frame: Type MH-T Molded Case
    • Trip Unit: Thermal Magnetic
    • Certifications: UL Listed
    • Wire Size: 14 to 8 AWG Copper
At Essential Parts, we offer fast shipping, lowest price, and expert support to help you get the right product every time.

Specifications

  • Part Number: MP2020
  • Manufacturer : Murray
  • Brand : Siemens
  • Category : Circuit Breaker
  • Item Subcategory : Molded Case
  • Family : MP Series
  • Type : MP-T
  • Voltage : 120
  • Amperage : 20
  • Phase : 1
  • Poles : 1
  • AIC rating : 10kA@120V
  • Connection : Plug-In
  • Functions : Long Time and Instantaneous Trip
  • Temp Rating : -13°F to 158°F (-25°C to 70°C)
  • Protection : Thermal Magnetic

Product Data

  • UPC : 040892281101
  • GTIN : 00040892281101
  • Country of Origin : Mexico
  • Dimensions : 2.756 x 2.756 x 0.787 inch
  • Weight : 0.375
  • Wire Size : AWG 14 to AWG 8, Copper, AWG 12 to AWG 8, Aluminum

Return eligibility: what to know before ordering

Return requests must be made within 30 days of shipping and require authorization. Used, installed, energized, or tested items are not eligible. A restocking fee of up to 35% may apply. Review the full policy before purchase.

Product-specific restrictions apply. International orders are non-cancellable and non-refundable under the policy.

Read the complete return and warranty policy ↗

Warranty supplied by Essential Electric

Warranty coverage is provided by Essential Electric, subject to the product and policy terms. Essential Electric is an independent supplier. Surplus or discontinued inventory may not qualify for the original manufacturer’s warranty.

Review coverage, exclusions, and the claim process ↗

Hear from other buyers.

What customers say about ordering from Essential Electric.

Reviews for this product

You may also like

Save $140.90
default product icon MP230 - Murray 30 Amp 2-Pole 120/240V Plug-In Mount Type MP-T Circuit Breaker - Essential Electric Supply
MP230 - Murray 30 Amp 2-Pole 120/240V Plug-In Mount Type MP-T Circuit Breaker
Sale priceFrom $20.10 Regular price $161.00
In stock
Choose options
Save $368.98
default product icon MP120GFA - Murray Plug-In 120V 20A 1 pole circuit breaker 10kA@120V - Essential Electric Supply
MP120GFA - Murray 20A 120V 1 Pole Ground Fault Circuit Breaker Plug-In 10kAIC
Sale priceFrom $46.02 Regular price $415.00
In stock
Choose options
Save $431.06
default product icon MP2100 - Murray 100A 240V 2-Pole Circuit Breaker Type MP Molded Case - Essential Electric Supply
MP2100 - Murray 100A 240V 2-Pole Circuit Breaker Type MP Molded Case
Sale priceFrom $39.94 Regular price $471.00
In stock
Choose options
Save $312.32
default product icon MP120GF - Murray 20A 120V 1 Pole GFCI Circuit Breaker Type MP-GT Plug-In 10kA - Essential Electric Supply
MP120GF - Murray 20A 120V 1 Pole GFCI Circuit Breaker Type MP-GT Plug-In 10kA
Sale priceFrom $49.68 Regular price $362.00
In stock
Choose options
Save $387.03
default product icon MPA115AFC - Murray Plug-In 15 Amp 1 Pole Circuit Breaker - Essential Electric Supply
MPA115AFC - Murray 15A 120V 1-Pole Arc Fault Circuit Breaker Plug-In MP Frame
Sale priceFrom $40.97 Regular price $428.00
In stock
Choose options
Save $790.01
default product icon MPD2200 - Murray/ SIemens Plug-In 200 Amp 2 Pole Circuit Breaker - Essential Electric Supply
MPD2200 - Siemens 200A 2-Pole 120/240V Molded Case Circuit Breaker 10kA AIC
Sale priceFrom $217.99 Regular price $1,008.00
In stock
Choose options
Save $1,116.10
default product icon MBK200M Murray/Siemens 200-Amp Main Circuit Breaker for Use in EQIII Type Load Centers - Essential Electric Supply
MBK200M - Murray 200A 2-Pole Main Breaker Kit 120/240V Bolt-On Mount MBK Series
Sale priceFrom $191.90 Regular price $1,308.00
In stock
Choose options
Save $318.02
default product icon MPA120AFC - Siemens Plug-In 120V 20A 1 pole circuit breaker 10kA@120V - Essential Electric Supply
Save $915.14
default product icon
MP3100 - Murray 100 Amp 240 Volt 3-Pole MP Series Circuit Breaker Plug-In Mount
Sale priceFrom $56.86 Regular price $972.00
In stock
Choose options
Save $622.63
default product icon
MPP2225 - Murray 200A 2-Pole 120/240V Molded Case Circuit Breaker 10kA
Sale price $147.37 Regular price $770.00
In stock