Description
- Brand: GE
- Full Model Number: TED134050WL
- System/Series Family: E150 / Type TED Core E Mid Tier
- Core Function: Three-pole thermal-magnetic molded case circuit breaker for overload and short-circuit protection
- Top 3 Hardcore Specs: 50 A | 480 VAC | 18 kA interrupting rating at 480 VAC
- Additional Rating: 10 kA interrupting rating at 500 VDC
- Trip Function: LI Long-Time + Instantaneous
- Connection: Line and load lugs
- Poles: 3
- Stock Status: New Surplus — availability and exact packaging condition to be confirmed before shipment
Technical Product Introduction
A failed feeder breaker can take an entire motor group, auxiliary panel, or process section offline. The GE TED134050WL is a three-pole E150 molded case circuit breaker rated at 50 A and 480 VAC, using a fixed thermal-magnetic trip arrangement for long-time overload and instantaneous short-circuit protection. Its catalog configuration includes line and load lugs, while the WL suffix identifies the version supplied with Cu/Al line and load lugs.
The electrical ratings matter during replacement. At 480 VAC, the specified interrupting rating is 18 kAIC; the catalog also lists 10 kA at 500 VDC and 14 kA at 600 VAC. The breaker uses a non-interchangeable trip and belongs to the 150 A E150 frame family. Physical dimensions are approximately 6.31 in H × 4.13 in W × 3.38 in D according to the manufacturer specification sheet (verify enclosure clearances against the actual installation before ordering).
Application Scenarios & Field Realities
- For 480 VAC motor feeder panels, the 50 A rating and instantaneous trip function make this configuration applicable where feeder conductors and downstream equipment have been engineered around the corresponding protection level. Do not select the breaker from amperage alone; available fault current must also be checked.
- In industrial distribution cabinets, the three-pole configuration is intended for three-phase circuits. The common trip mechanism disconnects all poles when an overload or short-circuit condition requires breaker operation.
- When replacing an older TED-series breaker, the physical frame, pole count, voltage, ampere rating, terminal arrangement, and interrupting capacity should be compared against the existing unit. A matching catalog family does not by itself establish interchangeability.
- For reverse-feed installations, the manufacturer catalog identifies this configuration as suitable for reverse feed. The actual panel application still requires verification of the equipment listing, conductor arrangement, and installation instructions.
GE TED134050WL
Migration, Compatibility & Installation Traps
Replacement Matrix
| Replacement Condition | Assessment | Engineering Requirement |
|---|---|---|
| Same TED/E150 configuration with matching electrical ratings and mounting arrangement | Potential Drop-in Replacement | Verify existing breaker catalog number, terminal arrangement, enclosure clearance, and interrupt rating |
| Same physical family but different ampere, voltage, pole, or trip configuration | Not a direct replacement | Recheck feeder protection and coordination before substitution |
| Different breaker family with similar electrical ratings | Hardware Modification Required | Verify mounting, bus/terminal geometry, enclosure spacing, and certification |
| Existing application requires a different trip characteristic | Engineering review required | Confirm time-current coordination before installation |
Field Traps — Watch Out
Interrupting capacity is not optional. At 480 VAC, TED134050WL is specified at 18 kAIC. Installing a breaker with a lower interrupting rating into a panel with higher available fault current is not an acceptable substitution.
Terminal configuration must match the actual installation. The WL suffix identifies a configuration with Cu/Al line and load lugs. Check conductor size, lug suitability, torque requirements, and enclosure clearance before energization.
De-energize and verify the circuit before installation. The breaker should be installed and tested by qualified electrical personnel according to the applicable electrical code and equipment documentation.
Quality Assurance SOP
Before shipment, each available GE TED134050WL unit should pass a documented inspection sequence:
- OEM anti-counterfeit visual inspection — Check catalog number, nameplate markings, rating information, molded-case identification, terminal configuration, and manufacturing markings against the expected TED134050WL configuration.
- Mechanical inspection — Examine the molded housing, toggle mechanism, mounting points, terminal lugs, insulation surfaces, and enclosure for cracks, deformation, corrosion, or impact damage.
- Trip mechanism verification — Confirm that the handle moves through the expected ON, OFF, and trip-reset positions without abnormal mechanical resistance.
- Electrical configuration verification — Confirm 3 poles, 50 A, 480 VAC, E150 frame, thermal-magnetic LI trip function, and the specified interrupting rating against the catalog configuration.
- Power-on / controlled test procedure — Where the testing setup permits, verify operating and trip behavior using an appropriate qualified circuit-breaker test method. A breaker should never be energized merely to simulate a routine PLC-style POST; this is a passive protection device rather than a programmable control module.
- Terminal and insulation inspection — Check lug condition, insulation surfaces, terminal integrity, and visible evidence of overheating or arcing.
- Documentation review — Record the inspected catalog number, physical condition, test observations, packaging condition, and shipment identification.
- Final shipment release — Photograph the actual unit and nameplate before packing. Any discrepancy between the physical unit and TED134050WL configuration should stop shipment until resolved.
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