Eaton ER12-1200N3PB Enclosed Rotary Disconnect - NEMA 12
Part Number: ER12-1200N3PB
Quick Summary
ER12-1200N3PB is an enclosed rotary disconnect switch for safe electrical isolation in industrial control panels. Maintenance teams often contend with lengthy shutoffs and arc-flash risk during servicing. CE marked and rated for NEMA 12 enclosures, it supports regulatory compliance and durable operation in harsh environments. Its non-fused design and pistol handle simplify installations, reduce downtime, and streamline spare-parts planning for electrical protection programs. Operators gain predictable switch times and safer maintenance windows across production lines, while procurement benefits from a standardized Eaton Bussmann series solution that fits common panel interfaces.
Product Information
Extended Description
ER12-1200N3PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 1200A, Black, NEMA rating 12
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER12-1200N3PB
UPC
051712420990
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
1200A
NEMA rating
NEMA 12
Voltage rating
600 V
Special features
Non-fused, Pistol handle
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - ER12-1200N3PB
Feature → Business Impact → Application: Enclosed, non-fused design with a pistol handle enhances safety and reduces arc-flash exposure, enabling faster, safer maintenance cycles in busy manufacturing lines; ideal for motor control panels and service disconnects. Feature → Business Impact → Application: 600 V and 1200 A ratings with a NEMA 12 enclosure provide rugged reliability in dusty and damp facilities, cutting unplanned downtime and protecting critical equipment in packaging, food & beverage, and process industries. Feature → Business Impact → Application: CE compliance and clear documentation streamline regulatory audits and installer training, accelerating project timelines for new lines and retrofits. Feature → Business Impact → Application: Simple integration with Eaton Bussmann series components reduces spare-parts inventory and supports standardized panel builds across multiple lines. Feature → Business Impact → Application: Ergonomic pistol handle and compact footprint improve operator ergonomics and space utilization in dense control cabinets, boosting overall maintenance efficiency.
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FAQs
ER12-1200N3PB is designed for typical panel layouts that support enclosed rotary disconnect switches. It fits standard mounting patterns used in motor control centers and process panels, and the pistol handle provides ergonomic operation. For best results, verify enclosure dimensions, service clearances, and available space to ensure effortless installation without rework.
The switch is rated for 600 V and 1200 A, with a NEMA 12 enclosure rating. It is non-fused and features a pistol-style handle for safe operation. These ratings support high-current isolation in demanding industrial environments while maintaining safe, code-compliant service disconnects.
Yes, ER12-1200N3PB is CE marked, indicating compliance with applicable European safety directives. The CE marking, combined with the NEMA 12 enclosure, helps manufacturers meet regulatory requirements for industrial equipment in many global markets and supports safer installation and maintenance programs.
This enclosed rotary disconnect is well-suited for motor control circuits, packaging lines, conveyors, and general process equipment where reliable isolation is needed. Its rugged construction and non-fused design make it ideal for continuous operation in dusty or damp environments, reducing outage duration during servicing and enabling quicker line changeovers.
The non-fused design minimizes spare parts and fuse inventory while speeding disconnections during maintenance, which lowers downtime and improves safety. The rugged enclosure and CE/UL-aligned features reduce regulatory risk and support standardized maintenance procedures across fleets, delivering measurable reductions in downtime, training time, and operational risk.