Overview
The Allen-Bradley 194R-HM4E operating handle is a precision-engineered accessory for the 194R family of rotary disconnect switches. Allen-Bradley® Bulletin 194R rotary disconnect switches provide touch-safe design, include OSHA padlocking, and offer front or side operation. Catalog item 194R-HM4E from Rockwell Automation® is a 194R accessory. This handle integrates seamlessly into industrial motor control, switchgear, and safety disconnect applications where operator safety and regulatory compliance are critical.
Key Features
- Red and yellow operating handle for high-visibility, intuitive operator control
- Standard orientation with defeater, accepts three padlocks, and IP66-NEMA type 3R-3-12-4-4X ingress protection
- For non-fused 125-630 A and 100-400 A UL disconnect switches
- Touch-safe design with mechanical defeater prevents accidental operation
- OSHA-compliant padlock provisions for lockout/tagout procedures
Technical Specifications
- Ingress Rating: IP66 / NEMA Type 3R, 3, 12, 4, 4X
- Suitable for: 194R rotary disconnect switches
- Switch Ratings: Non-fused 125–630 A (IEC), 100–400 A (UL fused and non-fused)
- Color: Red and Yellow
- Padlock Capacity: 3 padlocks
- Orientation: Standard with defeater mechanism
- Dimensions: 6.24 in L x 4.08 in W x 3.91 in H
Typical Applications
The Allen-Bradley 194R-HM4E is essential in:
- Industrial motor control centers and distribution switchgear
- Machinery safety disconnect stations requiring OSHA lockout/tagout compliance
- Emergency stop and isolation systems in manufacturing facilities
- Panel-mounted and standalone disconnect switches in harsh or corrosive environments (IP66 rated)
- Power distribution systems in food processing, automotive, and chemical plants
Compatibility & Replacements
Compatible With
- Allen-Bradley 194R Series rotary disconnect switches (all amperage ratings)
- 194R Series 125–630 A IEC non-fused disconnect switches
- 194R Series 100–400 A UL disconnect switches (fused and non-fused)
- NEMA Type 1, 3R, 4, 4X, and 12 enclosures
- Rockwell Automation industrial control systems
Replaces / Drop-In Replacement For
- Original equipment handles on 194R disconnect switches requiring replacement due to wear, damage, or upgrade
- Verify exact compatibility with your specific 194R switch model before ordering
Works With
- NEMA and IEC industrial control standards
- Lockout/tagout (LOTO) safety systems and padlock provisions
- Standard industrial switchgear and distribution equipment
- Mechanical control systems (no electronic interfaces)
