Eaton ER12-800L3PB Enclosed Rotary Disconnect - NEMA 12
Part Number: ER12-800L3PB
Quick Summary
ER12-800L3PB by Eaton is an enclosed rotary disconnect switch designed to safely isolate power in industrial control panels. Facility teams often battle unreliable isolation, difficult maintenance access, and documentation gaps that slow startups and elevate risk. This unit is CE marked and designed for NEMA 12 enclosures, delivering 600 V and 800 A service capability while resisting dust and moisture in harsh environments. With a pistol-style handle for quick, glove-friendly operation and fuse-class-L compatibility, it supports safer commissioning and ongoing maintenance, reducing downtime and rework. For engineers and procurement professionals, this combination translates to improved safety, faster installations, and stronger compliance across industrial sites.
Product Information
Extended Description
ER12-800L3PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Fuse class L, Pistol handle, 600V, 800A, Black, NEMA rating 12
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER12-800L3PB
UPC
051712416443
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
19 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
800A
NEMA rating
NEMA 12
Voltage rating
600 V
Special features
Fuse class L, Pistol handle
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - ER12-800L3PB
Feature → Business Impact → Application: The enclosed rotary disconnect switch design provides robust electrical isolation, reducing arc flash risk and enhancing worker safety during maintenance on motor control centers and service panels. In practice, this translates to shorter downtime and lower incident exposure for technicians performing routine switchgear operations. Application: heavy machinery and manufacturing lines where reliable power disconnection is critical and downtime costs are high. Feature → Business Impact → Application: 600 V, 800 A service capability supports high-current circuits with dependable performance, enabling clean shutdowns of large motors and feeders without voltage sag or nuisance trips. Application: process lines and CNC/machining centers requiring strong current handling with predictable response. Feature → Business Impact → Application: NEMA 12 enclosure provides dust and moisture resistance, protecting internal components in dirty or humid industrial environments. Application: packaging, metalworking, and material handling facilities. Feature → Business Impact → Application: CE marking and Bussmann series integration simplify regulatory compliance and cross-border installation. Application: CE-marked deployments in European/CE markets and global plants seeking standardized controls. Feature → Business Impact → Application: ergonomic pistol handle enables fast, gloves-on operation and reduces operator fatigue during start-up, test, and maintenance cycles. Application: commissioning new lines, routine maintenance, and emergency switching in confined spaces. Feature → Business Impact → Application: fuse class L compatibility ensures appropriate fuse coordination for safeguarding circuits without unnecessary fuse failures. Application: panel upgrades and protective coordination in power distribution schemes.
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FAQs
To install the ER12-800L3PB, ensure the panel enclosure supports NEMA 12 protection and that the mounting footprint aligns with the switch’s catalog specifications. Use proper torque on mounting hardware, connect the line and load conductors per the electrical rating of 600 V and 800 A, and verify correct pistol-handle operation for safe isolation during commissioning.
The ER12-800L3PB provides an 800 A amperage rating and 600 V voltage rating, suitable for high-current circuits in industrial equipment. It supports safe isolation of heavy motors, feeders, and power distribution in manufacturing lines, ensuring reliable fault isolation and controlled shutdowns when needed.
Yes. The ER12-800L3PB is CE marked, indicating compliance with EU safety and performance standards. It is designed for NEMA 12 enclosure environments, which supports use in dusty or slightly damp industrial spaces. For global deployments, confirm the local electrical codes and pairing with the Bussmann series components as part of the protection system.
Maintenance benefits include easier, glove-friendly operation with the pistol handle and reliable, high-current performance that reduces downtime during switching. ROI is realized through safer isolation, fewer nuisance trips, reduced arc-flash risk, and faster commissioning of lines, which translates to lower labor costs and shorter project timelines.
Ensure the panel environment maintains adequate dust control and moisture protection compatible with NEMA 12. Use proper thermal management to handle current loads, verify fuse-class-L coordination for protection, and follow Eaton’s datasheet guidance for mounting and wiring to maximize reliability and longevity in demanding manufacturing settings.