Siemens 3WL9251-1AC21-1BA1 Guide Frame Accessory
Siemens 3WL9251-1AC21-1BA1 accessory for 3WL circuit breakers, size I.
The Siemens 3WL9251-1AC21-1BA1 is an accessory designed for use with Siemens 3WL series circuit breakers in frame size I, covering current ratings from 630-1000A for 3-pole configurations. It features rear horizontal connections, UL 489 approval, and is equipped with 2 auxiliary plug connectors and SIGUT screw terminals. This accessory includes 3 change-over contacts (1 CO for operation, 1 CO for test, 1 CO for isolated position) and a 2-piece shutter that can be locked.
This guide frame accessory is crucial for enhancing the functionality and safety of 3WL circuit breakers, finding applications in industrial power distribution, control panels, and machinery requiring reliable circuit protection. Industries such as manufacturing, power generation, and infrastructure development benefit from the robust design and UL 489 compliance.
Source your Siemens 3WL9251-1AC21-1BA1 from Stanlo Automation, a veteran-owned distributor committed to providing high-quality surplus industrial automation parts. We ensure reliable sourcing and timely delivery to keep your operations running smoothly.
| Frame Size | I |
| Current Rating | 630-1000A |
| Poles | 3 |
| Connection | Rear Horizontal |
| Approval | UL 489 |
| Auxiliary Contacts | 2 CO |
| Terminals | SIGUT Screw |
| Shutter | 2-piece, lockable |