The SEL-451 offers a configurable HMI for easy integration into your application or operating standards. HMI tools include custom metering and status displays, direct pushbutton access, critical information …

Mar 15, 2001 · The SEL-451 provides dynamic bay one-line diagrams on the front-panel screen with disconnect and breaker control capabilities for numerous predefined user-select- able bay types.

Specifications Please refer to the product data sheet for the SEL-451-5 Protection, Automation, and Control System for front-panel and rear-panel diagrams, relay dimensions, and additional specifications.

SEL-451 SCHWEITZER ENGINEERING 451 Protection and Automation System, NEW Brand New $1,299.99 or Best Offer

Mar 31, 2019 · The SEL-451 relay is a complete, preprogrammed standalone protection and automatic-transfer control that only requires the user to input the particular field-selectable system operat-ing …

Datasheet for SEL-451 Protection, Automation, and Bay Control System. Features advanced feeder protection and substation bay control.

The SEL-451-5 is the ideal relay for use in pilot-based tripping schemes. Enhanced Mirrored Bits communications with SEL fiber-optic transceivers provide 3-6 ms relay-to-relay transmission time.

Mar 15, 2001 · The SEL-451 allows you to simplify procurement, pro-tection engineering, panel design and manufacturing, and spare part management. This data sheet is applicable to the SEL-451-5 and …

The SEL-451 Bay Control provides dynamic bay one-line diagrams on the front-panel screen with disconnect and breaker control capabilities for numerous predefined user-selectable bay types.

SEL-451 merging units digitize signals and transmit them via Ethernet over fiber-optic cables to SEL SV relays or other manufacturers’ compliant relays in the control house.