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
ST308S-LS-400A
ST308S-LS-400A is a Merlin Gerin Masterpact circuit breaker trip unit designed for reliable long-time and short-time protection in industrial and commercial applications.ST308S-LS-400A operates at 600 volts with a fixed amperage rating of 400A and includes 3 poles for three-phase power systems. It features an LS (Long-Time and Short-Time) trip unit providing precise overload and short circuit protection. This breaker is part of the Masterpact family, known for robust performance and compliance with industrial standards.
- Manufacturer: Merlin Gerin
- Part Number: ST308S-LS-400A
- Voltage Rating: 600V
- Amperage: 400A fixed
- Poles: 3
- Trip Unit Type: LS (Long-Time and Short-Time)
- Series/Frame: Masterpact
Specifications
- Part Number: ST308S-LS-400A
- Manufacturer : Merlin Gerin
- Brand : Merlin Gerin
- Category : Circuit Breaker
- Item Subcategory : Trip Units & Programmers
- Family : Masterpact
- Type : ST
- Voltage : 600
- Poles : 3
- Functions : LS - Long-Time and Short-Time
- Amperage Maximum : 400
- Amperage Minimum : 400
- Protection : Solid State
- Compatible Frames : M,MP
Product Data
- Weight : 15
Related Products
You may also like
- Opens in a new window.



