Eaton ER12-30J3PR Enclosed Rotary Disconnect - NEMA 12
Part Number: ER12-30J3PR
Quick Summary
The Eaton ER12-30J3PR enclosed rotary disconnect switch is a rugged isolation device used to safely segment power circuits in industrial control panels. Facilities struggle with downtime and safety risks during maintenance; this design minimizes exposure and accelerates lockout procedures. The device carries CE Marked compliance, NEMA 12 enclosure protection, and fuse class J compatibility, ensuring safer, code-compliant operation. Coupled with a 600 V rating and 30 A capacity, it supports reliable isolation in panels, service disconnects, and control stations. For procurement and installation teams, the pistol-style handle and compact footprint simplify wiring checks and maintenance, delivering measurable reductions in risk and downtime.
Product Information
Extended Description
ER12-30J3PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Fuse class J, Pistol handle, 600V, 30A, Red, NEMA rating 12
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER12-30J3PR
UPC
051712415620
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
30A
NEMA rating
NEMA 12
Voltage rating
600 V
Special features
Fuse class J, Pistol handle
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - ER12-30J3PR
Feature: Enclosed rotary disconnect design delivers robust circuit isolation. Business impact: improves personnel safety and minimizes arc-flash exposure in live panel environments. Application: ideal for machine controls and service disconnects in manufacturing lines. Feature: Electrical ratings of 600 V and 30 A support mid-range industrial circuits with margin for startup surges. Business impact: enables reliable motor and drive protection with coordinated disconnect capability. Application: conveyors, pumps, and fans in factories. Feature: NEMA 12 enclosure with CE Marking provides environmental protection and regulatory compliance. Business impact: reduces dust/moisture ingress risk and accelerates international deployment. Application: harsh factory floors and enclosed control cabinets. Feature: Fuse class J compatibility supports selective protection strategies and safer outage responses. Business impact: simplifies fuse replacement and coordination with protective devices. Application: packaging lines and automation cells. Feature: Pistol handle enables ergonomic operation and faster service actions. Business impact: lowers maintenance time and operator fatigue. Application: routine lockout/tagout and servicing in busy plants. Feature: Catalog integration with Bussmann series aids procurement and stocking. Business impact: reduces spare parts inventory and lead times. Application: electrical protection packages for panel builders and integrators.
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FAQs
Ensure the circuit matches the 600 V rating and 30 A capacity, and follow standard lockout/tagout procedures during installation. Verify CE Marked compliance and NEMA 12 suitability for the environment. Consult the Eaton datasheet for wiring diagrams and terminal torque specifications to avoid over-tightening and ensure reliable connections.
The ER12-30J3PR provides a 600 V voltage rating and 30 A amperage rating, with a NEMA 12 enclosure and fuse class J compatibility. It features a pistol handle for safe operation and CE Marked compliance for market access and regulatory alignment. These specs support safe isolation in standard industrial control circuits.
Yes. Its enclosed rotary disconnect design, 600 V/30 A ratings, NEMA 12 enclosure, and fuse class J protection make it well-suited for service disconnects in manufacturing equipment. CE Marked compliance further supports compliance with regional electrical codes, while the pistol handle aids quick, controlled operation during servicing.
By delivering robust isolation with a pistol-style handle, CE and NEMA 12 protection, and class J fuse compatibility, the device reduces arc-flash exposure and unplanned downtime. The result is safer maintenance, faster lockout/tagout procedures, and lower total cost of ownership through reduced panel downtime and easier spares management.
Datasheets and catalogs are available from Eaton. Access the Eaton Specification Sheet for ER12-30J3PR at https://www.eaton.com/us/en-us/skuPage.ER12-30J3PR.pdf and Bussmann catalogs at https://www.eaton.com/content/dam/eaton/products/electrical-circuit-protection/fuses/bussmann-series-catalogs/bus-ele-cat-1007-full-line-catalog-complete.pdf. These resources cover ratings, wiring, and replacement recommendations.