Overview
The Cutler Hammer DG221URB is a general duty non-fusible safety switch from Eaton designed for manual load disconnect in residential, commercial, and light industrial environments. This DG Series switch is rated for 240V, 30A operation at 3 hp single-phase and features a NEMA 3R rainproof enclosure in painted galvanized steel. As a non-fusible switch, it is 100% fully rated for load break and load make operations, making it suitable for service entrance and light duty motor circuits.
Key Features
- Non-fusible design rated 100% for full load break and load make capability
- Visible double-break, quick-make quick-break rotary blade mechanism for reliable operation
- Ample wire bending space and bolt-on hub for faster installation
- Double padlocking capability for enhanced safety and security
- Mechanically interlocked cover prevents access when switch is in ON position
- Two-pole, single-throw (DPST) configuration for 2-wire connection
Technical Specifications
- Voltage: 240V AC
- Current Rating: 30A continuous
- Horsepower: 3 hp at 1-phase, 240V
- Poles: 2-pole
- Wires: 2-wire, 3-wire configuration available
- Contact Type: DPST (Double Pole Single Throw)
- NEMA Rating: NEMA 3R (rainproof)
- Enclosure Material: Painted galvanized steel
- Mounting: Surface mount with bolt-on hub
- Dimensions: 5.73 in L × 6.1 in W × 6.25 in H
- Certifications: UL listed
- Series: DG (Design Series B, 30–100A)
Typical Applications
- Service entrance disconnect for residential and commercial buildings
- Light duty motor circuits up to 3 hp at 240V single-phase
- General duty load switching and power distribution control
- Indoor and outdoor rated applications (rainproof NEMA 3R)
- Commercial and institutional power distribution systems
- Agricultural and light industrial motor control circuits
Compatibility & Replacements
Compatible With
- Eaton/Cutler-Hammer DG Series enclosures and modular systems
- Single-phase 240V power distribution systems
- Light duty motor control applications up to 3 hp
- Service entrance panels rated for 240V, 30A service
- Standard bolt-on disconnect switch installations
Replaces / Drop-In Replacement For
- Earlier 240V 30A general duty safety switches in DG Series family
- Standard duty non-fusible disconnect switches of equivalent rating
- Verify compatibility with your specific panel or enclosure before ordering
Works With
- NEMA 3R outdoor-rated electrical enclosures
- 240V single-phase power systems
- Manual disconnect and load control schemes
- Double-pole single-throw circuit configurations
