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:Merlin Gerin
- Sub-Category:Trip Units & Programmers
Description
STR58U-LSIG-1200A
STR58U-LSIG-1200A is a Merlin Gerin circuit breaker trip unit designed for Masterpact MP12H1 series with LSIG protection.
This trip unit provides 1200 ampere rating at 600 volts AC with 3 poles, featuring long-time, short-time, and ground-fault (LSIG) protection functions. It is compatible with draw-out electrically operated Masterpact circuit breakers, ensuring reliable and selective trip performance for power distribution applications.
- Key Specifications
- Amperage: 1200A
- Voltage: 600V AC
- Poles: 3
- Trip Unit Type: LSIG (Long-time, Short-time, Ground-fault)
- Series/Frame: Masterpact MP12H1
- Mounting Type: Draw-out, Electrically Operated
- Interrupt Rating: Confirmed for Masterpact series (typically high interrupt capacity)
- Manufacturer: Merlin Gerin
- Part Number: STR58U-LSIG-1200A
- Manufacturer : Merlin Gerin
- Brand : Merlin Gerin
- Category : Circuit Breaker
- Item Subcategory : Trip Units & Programmers
- Family : Masterpact
- Type : STR
- Voltage : 600
- Poles : 3
- Functions : LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
- Amperage Maximum : 1200
- Amperage Minimum : 1200
- Protection : Solid State
- Compatible Frames : M,MP
- Weight : 10
At Essential Parts, we offer fast shipping, lowest price, and expert support to help you get the right product every time.
Specifications
Product Data
Related Products
You may also like
- Opens in a new window.



