Eaton ER12-63N3PB Disconnect - NEMA 12 Enclosed Rotary
Part Number: ER12-63N3PB
Quick Summary
The Eaton ER12-63N3PB disconnect switch provides a compact, enclosure-based rotary disconnect for fast isolation in electrical panels and MCCs. In tight spaces and during maintenance, engineers struggle with safe de-energization, accidental contact, and complex wiring layouts. This unit is CE marked and features a rugged NEMA 12 enclosure, rated for 600 V and 63 A, with a non-fused, pistol-handle design. Using this solution streamlines maintenance workflows by delivering code-compliant isolation without unnecessary panel disassembly. Integrated into existing control architectures, it helps manufacturers standardize protective devices while improving safety, serviceability, and procurement predictability. It's a practical, field-proven choice for OEMs and contractors focused on uptime and safety.
Product Information
Extended Description
ER12-63N3PB Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Non-fused, Pistol handle, 600V, 63A, Black, NEMA rating 12
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER12-63N3PB
UPC
051712487924
Product Length/Depth
0.1 in
Product Height
0.1 in
Product Width
0.1 in
Product Weight
0.1 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
63A
NEMA rating
NEMA 12
Voltage rating
600 V
Special features
Non-fused, Pistol handle
ER12-63N3PB~ENCLOSED DISCONNECTS
ER12-63N3PB~ENCLOSED DISCONNECTS
Eaton Specification Sheet - ER12-63N3PB
The ER12-63N3PB offers an enclosed, non-fused rotary disconnect that delivers safe, isolated power removal without exposing operators to live components, reducing arc flash risk and injury potential. Business impact: enhanced safety and lower incident costs when servicing equipment on the shop floor or in the field. Application: ideal for electrical panels, motor control centers, and service disconnects where reliable isolation is required and downtime must be minimized. The pistol-handle design improves ergonomics, enabling quick operation and reducing operator fatigue during routine switching and maintenance. Business impact: faster lockout/tagout procedures and safer, more repeatable operations. Application: maintenance crews in manufacturing and process industries seeking standardization. The 600 V, 63 A rating supports common industrial feeders, delivering predictable performance and simplified parts planning. Application: line side and feeder disconnects in medium-duty environments. The NEMA 12 enclosure provides robust protection against dust and minor splashes, ensuring reliable operation in challenging factory floors. Business impact: longer service intervals and reduced enclosure damage, lowering total cost of ownership. Application: dusty or damp production areas where enclosure integrity matters. CE marking confirms regulatory compliance, easing procurement across European sites and multinational facilities. The compact footprint enhances panel density and reduces enclosure expansion needs. Application: OEM panel builders seeking scalable, compliant solutions. Documentation and datasheets are readily accessible from Eaton, accelerating sourcing and integration. Application: rapid engineering approvals and streamlined purchasing.
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FAQs
Installing the ER12-63N3PB requires following standard electrical safety practices for turn-off and lockout. Begin by verifying the circuit is de-energized, then mount the unit in the panel ensuring proper alignment with neighboring components. Secure wiring to the appropriate terminals, tighten torque per manufacturer recommendations, and verify continuity and isolation with a test instrument. The pistol-handle design simplifies operation, and the non-fused configuration reduces wiring complexity during integration. Always consult Eaton documentation for wiring diagrams and field-validated installation steps to minimize commissioning time and maximize fault-free operation.
The ER12-63N3PB provides a 600 V voltage rating and 63 A amperage rating, with a non-fused, enclosed rotary mechanism designed to safely interrupt and isolate mid-range industrial circuits. This combination supports common industrial feeders and control circuits while maintaining safer operator interaction with a pistol-handle actuation. Its CE marking and NEMA 12 enclosure further reinforce suitability for regulated environments and dusty or damp factory settings, reducing configuration risk and enabling reliable service in standard 600 V installations.
Yes, the ER12-63N3PB carries CE marking, signaling conformance with applicable European standards and regulatory requirements. This compliance simplifies cross-border procurement and ensures consistent safety and performance expectations across multinational facilities. Combined with the NEMA 12 enclosure, the unit is well-suited for European and global installations where regulatory alignment and durable enclosure protection are priorities for reliable operation in demanding environments.
Absolutely. The ER12-63N3PB is designed for panel isolation in motor control centers and service disconnect applications. Its robust enclosure, 600 V/63 A rating, and non-fused operation streamline wiring and maintenance workflows, while the pistol handle provides ergonomic, repeated-use reliability. This makes it a practical choice for OEMs and contractors seeking a standardized, code-compliant solution that minimizes downtime during maintenance and commissioning.
Selecting the ER12-63N3PB can reduce downtime and maintenance complexity by delivering fast, safe isolation with a straightforward installation. The non-fused design lowers wiring and protection requirements, while CE marking and NEMA 12 enclosure reduce compliance and environmental risk. Over time, the unit contributes to predictable maintenance intervals, reduced spares inventory, and consistent performance across facilities, delivering measurable savings in labor, safety incidents, and overall lifecycle cost.