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**Free Economy Shipping** on all orders over $300!! | | 877-963-4543
**Free Economy Shipping** on all orders over $300!! | | 877-963-4543


New Surplus

Qty in Stock: 1


Certified Reconditioned

Qty in Stock: 4


M-Frame Style Trip Unit

Look under Parts & Accessories or follow the links below to order accessories used to create additional configurations for this unit.

1. Auxiliary Switches
2. Electronic Trip Units
3. Rating Plugs
4. Shunt Trips
5. Terminal/Lug Kits
6. Trip Units
7. Undervoltage Releases (UVRs)

This product image represents a base model and is for identification purposes only. Are you purchasing accessories and your breaker in the same order? We will install your accessories to meet your specific configuration needs at NO ADDITIONAL COST! Just provide the necessary information in the order comment box during checkout.

Product Description

Specs are as follows:

Trip Unit, M Frame Style, Thermal-Magnetic, 300 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adjustment at 5-10 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units.


Manufacturer Eaton / Cutler Hammer
Warranty One Year
Frame Type M
Amperage 300
Poles 3
Trip Setting Adjustable 5-10 Times Continuous Ampere Rating

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"Click for Info" items are temporarily out of stock items. If you would like for us to order these items for you, please contact us through the links below. These items may be frequently unavailable from our usual supply channels, and as such will fluctuate in price depending on our cost at the time of placing the special order for you. The price shown on the product listing will be based upon our previous supply cost the last time this item was ordered and is subject to change at any time.

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