Eaton ER12-40N3GMF Enclosed Rotary Disconnect - NEMA 12

Part Number: ER12-40N3GMF
Manufacturer
Eaton
Part number
ER12-40N3GMF

Quick Summary

The Eaton ER12-40N3GMF enclosed rotary disconnect switch provides non-fused isolation for main electrical feeders in industrial panels. Maintenance and lockout tasks are safer and faster when operators can clearly isolate power without introducing fuses into the circuit. This model is CE marked, rated NEMA 12 for dust and moisture resistance, and supports up to 600 V and 40 A. Its 600 V, 40 A rating aligns with common industrial control standards. Designed to streamline panel installations and reduce downtime, it fits standard control rooms and supports reliable, compliant isolation. The non-fused configuration simplifies inventory and reduces replacement costs while meeting European CE requirements.

Product Information

Extended Description

ER12-40N3GMF Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, 600V, 40A, NEMA rating 12 - ER12-40N3GMF
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER12-40N3GMF
UPC
051712515733
Product Length/Depth
6 in
Product Height
10 in
Product Width
8 in
Product Weight
12 lb
Warranty
Not Applicable
Compliances
CE Marked
Certifications
Not Applicable
Amperage Rating
40A
NEMA rating
NEMA 12
Voltage rating
600 V
Special features
Non-fused
Feature: Non-fused design simplifies maintenance and reduces spare parts while improving safety margins. By eliminating field fuses, downtime decreases during routine servicing and fault isolation becomes quicker, lowering total cost of ownership. In panel environments where frequent access is needed, this arrangement supports faster lockout/tagout procedures and clearer isolation points during operations. The design also supports safe wiring with clear labeling and terminal access. Feature: 600 V, 40 A electrical rating provides robust capability for typical industrial feeders and equipment circuits. This rating enables reliable isolation of mid-size loads without over-specification, improving energy management while maintaining compliance with standard safety practices. The enclosure delivers adequate protection for dusty environments and supports straightforward wiring. Feature: NEMA 12 enclosure delivers dust and moisture protection suitable for manufacturing environments. Combined with a compact footprint and a 12 lb weight, it fits into tight control cabinets and reduces installation complexity while staying compatible with common panel layouts. Feature: CE Mark compliance signals conformity to European safety and performance standards. This supports cross-border deployments and reduces regulatory hurdles in multi-site plants. Engineers can specify ER12-40N3GMF with confidence that it aligns with procurement expectations for non-fused isolation devices. Feature: Eaton Bussmann series lineage ensures availability of catalog-worthy specifications and support tooling. Compatibility with standard Eaton catalog content aids replacement, spares, and training for maintenance teams, while the front-facing terminals and clear labeling ease wiring and commissioning.

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FAQs

For proper installation, verify enclosure compatibility and ensure adequate clearance for the 6 in L, 8 in W, 10 in H footprint. Plan wiring routes to access the front terminals easily and maintain clear labeling. Confirm the non-fused design aligns with maintenance procedures and lockout/tagout practices to minimize downtime during routine service.
Key specs include a 600 V voltage rating, 40 A current rating, and a NEMA 12 enclosure. It is a non-fused disconnect, designed for safe isolation of main feeders in industrial controls. The device is CE marked, supporting compliance in European markets and standard panel installations.
Best suited for isolation of main feeders in manufacturing and processing equipment, where reliable non-fused shutdown is needed for maintenance and service. Its NEMA 12 enclosure protects against dust and moisture, making it appropriate for indoor industrial environments with moderate exposure.
Yes, the ER12-40N3GMF carries CE compliance, indicating conformance with European safety and performance standards. It also features a NEMA 12 enclosure rating, which provides environmental protection for dust and moisture. These attributes facilitate cross-border procurement and installation in EU-based facilities.
The non-fused design reduces spare parts needs and simplifies maintenance routines, yielding lower downtime and inventory costs. Its robust ratings (600 V, 40 A) and CE/NEMA 12 compliance support faster approvals and fewer regulatory hold-ups, contributing to a lower total cost of ownership and a faster return on investment for mid-size industrial projects.