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:Westinghouse
- Sub-Category:Trip Units & Programmers
Description
HMA3300T
HMA3300T is a Westinghouse 300 amp, 600 volt, 3 pole molded case circuit breaker with a thermal magnetic trip unit.
This circuit breaker features a bolt-on mounting type and is part of the HMA series frame. It provides a 35kA interrupting rating at 480 volts AC and includes long time, short time, and instantaneous trip functions with an interchangeable trip unit design. The breaker is designed for three-phase AC applications and includes load side lug terminals.
- Manufacturer: Westinghouse
- Amperage: 300A
- Voltage: 600V AC
- Poles: 3
- Frame Type: HMA
- Mounting Type: Bolt-On
- Interrupt Rating: 35kA at 480V AC
- Trip Unit: Thermal Magnetic with Long Time, Short Time, Instantaneous Functions
- Phase: 3 Phase
- Load Side Lug Terminals
At Essential Parts, we offer fast shipping, lowest price, and expert support to help you get the right product every time.
Specifications
- Part Number: HMA3300T
- Manufacturer : Westinghouse
- Brand : Cutler Hammer
- Category : Circuit Breaker
- Item Subcategory : Trip Units & Programmers
- Family : MARK 75
- Type : HMA
- Voltage : 600
- Poles : 3
- Functions : LI - Long-Time and Instantaneous
- Amperage Maximum : 300
- Amperage Minimum : 300
- Protection : Thermal Magnetic
- Compatible Frames : MA,HMA
Product Data
- UPC : 786679189702
- GTIN : 00786679189702
- Country of Origin : United States
- Dimensions : 6.8 in x 6.7 in x 10.4 in (Length/Depth x Height x Width)
- Weight : 3.4
- Certification : UL Listed
Related Products
You may also like
- Opens in a new window.



