Overview
The GE TGN3321R is a general duty non-fusible safety switch engineered for disconnect and load control in residential and light commercial electrical systems. Manufactured by General Electric under the Spec-Setterâ„¢ brand, this 30A 3-pole switch operates at 240V AC and is housed in a NEMA 3R weatherproof enclosure suitable for outdoor and indoor applications. The unit meets UL 98 and CSA 22.2 No. 4-04 standards and complies with NEMA KS1 specifications for enclosed switches.
Key Features
- Direct-drive quick-make, quick-break mechanism for positive ON/OFF switching
- Non-fusible design—no fuses required for basic operation
- NEMA 3R weatherproof steel enclosure suitable for indoor/outdoor use
- UL listed and CSA certified for North American safety compliance
- Accepts copper (14–8 AWG) or aluminum (12–8 AWG) wire terminations
- Interrupting rating 100 kA @ 240V
Technical Specifications
The TGN3321R delivers reliable switching performance across a range of electrical loads and environments:
- Current Rating: 30 Amperes
- Voltage: 240V AC (single-throw configuration)
- Poles: 3
- Wires: 3-wire (single-phase or three-phase service)
- Horsepower Rating: 3 HP @ 240V AC 1-phase (NEC standard), 7 HP @ 240V AC 3-phase (time-delay fuse)
- Enclosure Type: NEMA 3R (weatherproof steel)
- Switch Type: General Duty, Non-Fusible, Single Throw
- Interrupting Rating: 100 kA @ 240V
- Certifications: UL 98, CSA 22.2 No. 4-04, NEMA KS1
- Conductor Rating: 60/75°C
- Dimensions: 6.38″ W × 3.31″ D × 9.78″ H
- Suitable for Service Equipment: Yes (when installed per NEC requirements)
Typical Applications
The GE TGN3321R is ideal for:
- Residential electrical service disconnect
- Light commercial motor control (up to 7 HP @ 240V 3-phase)
- Branch circuit isolation and protection
- Outdoor equipment disconnect (pools, spas, compressors, HVAC units)
- Agricultural and light industrial environments where duty is not severe
- Service equipment installations compliant with National Electrical Code
Compatibility & Replacements
Compatible With
- 240V AC single-phase and three-phase electrical systems
- Standard residential and commercial electrical service panels
- Motor circuits up to 7 HP @ 240V AC 3-phase (time-delay rated)
- Electrical enclosures designed for NEMA 3R cutouts
- Systems requiring UL 98 and CSA certified equipment
Replaces / Drop-In Replacement For
Verify with your system integrator or electrician before ordering. The TGN3321R is a Spec-Setter model that may replace other GE general duty switches of equivalent current and voltage rating in non-fusible configurations; however, always confirm compatibility with existing installation and local electrical codes.
Works With
- National Electrical Code (NEC) compliant installations
- Standard 240V AC service entrance and branch circuit equipment
- Motor starting circuits with time-delay fuses (up to 7.5 HP)
- NEMA 3R weatherproof outdoor equipment and enclosures
- Copper and aluminum wire termination systems (AWG 14–8 copper, 12–8 aluminum)




























