Description
GE TEY320 Miniature Circuit Breaker
Product Dimensions：
The GE TEY320 (General Electric / ABB Electrification) is a 3-pole, 20-Amp bolt-on miniature molded case circuit breaker (MCCB) from GE’s TEY circuit breaker series. It is designed for commercial and industrial panelboards, lighting panels, and control centers.
Product Detailed Description
The GE TEY320 provides thermal-magnetic overcurrent and short-circuit protection for 3-phase electrical distribution systems. It features a compact, 1-inch per pole footprint and a secure bolt-on mounting design, making it a standard protection choice for GE A-Series lighting panelboards (such as AE and AD panels).
Technical Parameters
| Feature | Specification |
| Manufacturer | General Electric (GE) / ABB |
| Catalog Number | TEY320 |
| Number of Poles | 3-Pole |
| Ampere Rating | 20 Amps |
| Voltage Rating | 277/480V AC, 250V DC |
| Interrupting Rating (AIC) | 14 kA @ 277/480V AC, 65 kA @ 120/240V AC |
| Trip Unit Type | Non-interchangeable Thermal-Magnetic |
| Mounting Style | Bolt-on (Panelboard Mount) |
| Wire Range | #14 – #10 AWG (Cu) / #12 – #10 AWG (Al) |
| Dimensions (H x W x D) | Approx. 3.25 in x 3.0 in x 3.0 in |
Product Advantages
- High Interrupting Capacity: Delivers up to 14 kA at 277/480V AC in a compact frame, ideal for commercial 480Y/277V lighting systems.
- Secure Bolt-On Design: Offers a vibration-resistant, high-integrity mechanical and electrical connection compared to plug-in breakers.
- Space Efficiency: Standardized 1-inch width per pole maximizes panelboard density.
- Reliable Thermal-Magnetic Trip: Protects against both long-term overloads (thermal) and high-current short circuits (magnetic).
Important Considerations & Precautions
- Panelboard Compatibility: Designed specifically for bolt-on panelboards (e.g., GE A-Series lighting panels). Ensure the bus bar spacing and mounting hardware match before installation.
- De-Energize Prior to Installation: Always turn off and lockout/tagout (LOTO) the main power supply before installing or servicing the breaker inside the panelboard.
- Proper Torque Limits: Tighten the line-side bolt-on fasteners and load terminal screws to the manufacturer’s specified torque values to prevent overheating.
- Wire Sizing: Ensure conductor wire sizes match the breaker’s 20A rating and terminal lug specifications in accordance with the National Electrical Code (NEC).
Product Applications
- Commercial Lighting Branch Circuits: 3-phase 277/480V fluorescent or LED lighting control circuits.
- Industrial & HVAC Loads: Small 3-phase motors, pumps, fans, and unit heaters.
- Power Distribution Panels: Protection for sub-panels, commercial office distribution, and retail facility power grids.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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