Overview
The Allen-Bradley 194R-HS4E is a red/yellow rotary operating handle with defeater mechanism manufactured by Rockwell Automation. This disconnect switch accessory is engineered for emergency applications and provides safe, reliable manual control for circuit disconnection and isolation. Rated NEMA Type 3R/3/12/4/4X with IP66 protection, the 194R-HS4E is built to withstand harsh industrial environments while maintaining rugged functionality.
Key Features
- Red and yellow color scheme for high-visibility emergency applications
- Two operating positions: ON and OFF with positive mechanical detents
- Defeater mechanism prevents accidental operation
- Accommodates up to three padlocks in OFF position for lockout/tagout compliance
- Door-mounted rotary design with independent panel door operation
- Field-mountable construction with flexible mounting options
Technical Specifications
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Model | 194R-HS4E |
| Product Type | Rotary Disconnect Operating Handle with Defeater |
| Body Color | Red/Yellow |
| NEMA Rating | Type 3R/3/12/4/4X |
| IP Rating | IP66 |
| Operating Positions | 2 (ON/OFF) |
| Padlock Capacity | Up to 3 padlocks in OFF position |
| Certifications | CE Listed, UL Listed, CSA Certified |
| Weight | 0.35 lbs |
| Series | A |
| Mounting Style | Door-mounted rotary with coupling |
Typical Applications
The 194R-HS4E is suitable for use in:
- Machine tool control panels and switchboards
- Industrial disconnect switches requiring emergency isolation
- Circuits with self-protected isolation and high breaking capacity
- Inductive load rated switch applications
- Panel boards requiring lockout/tagout compliance per OSHA CFR 1910
Compatibility & Replacements
Compatible With
- Allen-Bradley Bulletin 194R IEC disconnect switches
- Allen-Bradley Bulletin 194R UL-listed disconnect switches
- Disconnectors with self-protected isolation
- Inductive load rated switches
Replaces / Drop-In Replacement For
The 194R-HS4E is a specific model within the Bulletin 194R handle family. Verify compatibility with your system integrator before ordering. Note: This handle was discontinued by the manufacturer on April 30, 2013.
Works With
- OSHA lockout/tagout (LOTO) procedures
- Rockwell Automation disconnect switch systems
- Standard three-padlock lockout schemes
