Here are the items that we found.

Schneider Electric Square D ST520
The Schneider Electric Square D ST520 is a Sure Trip Capacitor designed for use within Square D electrical distribution systems. This trip assembly functions as a critical component for enhancing the operational reliability and safety of connected equipment by managing trip ch...
Lead time
24h
Typical quote turnaround on in-stock items
Warranty
24 months
Coverage on eligible surplus and refurbished inventory
Inventory network
5M+
Parts across brands, PLCs, drives, sensors and motors
Request pricing for stock confirmation, condition and freight options
Trusted sellerGet a fast quote
Description
The Schneider Electric Square D ST520 is a Sure Trip Capacitor designed for use within Square D electrical distribution systems. This trip assembly functions as a critical component for enhancing the operational reliability and safety of connected equipment by managing trip characteristics.
Technical details
- Series: Square D Sure Trip
- Component Type: Trip Assembly / Capacitor
- Functionality: Manages trip unit characteristics for circuit breakers.
- Voltage Compatibility: Designed for use with specific Square D circuit breaker frames; consult manufacturer documentation for precise voltage ratings.
- Current Rating: Dependent on the specific circuit breaker frame it is installed in; refer to breaker specifications.
- Environmental Considerations: Standard industrial operating temperature and humidity ranges apply; verify with datasheet for precise limits.
- Mounting: Intended for internal mounting within compatible Square D circuit breaker enclosures.
- Construction: Features robust construction for durability in industrial environments.
Applications & compatibility
The Schneider Electric Square D ST520 trip assembly is engineered for integration into various Square D molded case circuit breakers (MCCBs) and other compatible protection devices. It is commonly found in power distribution panels for manufacturing facilities, data centers, and commercial buildings where reliable circuit protection is paramount.
Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D ST520 or contact our technical team for cross-reference assistance with compatible Square D trip unit components.
Shipping & returns
Shipping & returns
We can ship via UPS, FedEx, and USPS. We can ship on customers' accounts as well. International delivery available via UPS and DHL. In stock items typically ship same day.
All products (new, refurbished, and repairs) are covered by the Industrial Automation Company's 2 Year Warranty. Manufacturer's Warranty does not apply.
Reliable Mission-Critical Support from a Certified Veteran-Owned Business
Verified stock, fast quotes, and expert support from a trusted veteran-owned business.