
TEFR1B Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $17.00 | Condition is Used, GENERAL ELECTRIC TEFR1B ROTARY DISCONNECT SWITCH #128N106, FREE SHIPPING | 99.9% |
![]() | $12.00 | Condition is Used, GENERAL ELECTRIC TEFR1B A315 ROTARY DISCONNECT SWITCH, shipping cost = $6.88 | ![]() |
![]() | $18.99 | Condition is Used, GENERAL ELECTRIC TEFR1B A315 ROTARY DISCONNECT SWITCH, FREE SHIPPING | 99.8% |
![]() | $12.88 | Condition is Used, GENERAL ELECTRIC TEFR1B E504 DISCONNECT SWITCH, shipping cost = $8.88 | ![]() |
![]() | $16.88 | Condition is Used, (LOT OF 2) GENERAL ELECTRIC TEFR1B E838 ROTARY DISCONNECT SWITCH, shipping cost = $9.88 | ![]() |
![]() | $15.00 | Top Pick! Condition is Used, (LOT OF 2) GENERAL ELECTRIC TEFR1B E937 ROTARY DISCONNECT SWITCH, shipping cost = $11.25 | 100.0% |
![]() | $27.00 | Condition is Used, GE General Electric TEFR1B Disconnect Mechanism For Breaker W/ Hardware Pack, FREE SHIPPING | 100.0% |
![]() | $25.00 | Condition is Used, GENERAL ELECTRIC TEFR1B Rotary Shut-Off Switch, shipping cost = $4.99 | 99.2% |
![]() | $24.88 | Top Pick! Condition is Used, (LOT OF 4) GENERAL ELECTRIC TEFR1B E608 ROTARY DISCONNECT SWITCH, shipping cost = $9.88 | 99.8% |
![]() | $50.00 | Top Pick! Condition is Used, GENERAL ELECTRIC TED134030 CIRCUIT BREAKER 480VAC 30A W/TEFR1B DISCONNECT SWITCH, FREE SHIPPING | 100.0% |
![]() | $48.88 | Condition is Used, GENERAL ELECTRIC TEB132100 CIRCUIT BREAKER 100A w/TEFR1B E504 DISCONNECT SWITCH, shipping cost = $13.00 | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $503.00 | Condition is New, GENERAL ELECTRIC TEFR1B / TEFR1B (BRAND NEW), shipping cost = $12.90 | 99.7% |

The General Electric TEFR1B E937 Rotary Disconnect Switch is a versatile and reliable electrical component designed for use in various applications. This switch is part of General Electric's TECO-Westinghouse product line, which is known for its high-quality and durability.
The TEFR1B E937 Rotary Disconnect Switch is a 3-position, 4-pole rotary switch, which means it has three distinct positions and four separate circuits that can be controlled independently. The switch is designed to handle voltages up to 600 volts and currents up to 15 amperes, making it suitable for use in heavy-duty industrial and commercial applications.
The switch housing is made of cast aluminum, which provides excellent heat dissipation and resistance to environmental hazards. The switch contacts are made of silver-plated copper, ensuring reliable and long-lasting performance. The switch also features a rotary handle with a positive detent mechanism, which ensures that the switch is securely in the desired position and prevents accidental operation.
The TEFR1B E937 Rotary Disconnect Switch is designed with safety in mind. It features an open-top design, which allows for easy visual inspection of the contacts and ensures that the switch is not accidentally closed on conductors. The switch also features a grounded metal shroud, which provides additional protection against electrical shock.
The switch is easy to install and can be mounted in a variety of orientations, including horizontal or vertical, using the included mounting hardware. The switch terminals are clearly labeled, making wiring simple and straightforward. The switch is also RoHS compliant, which means it is free of certain hazardous materials.
In summary, the General Electric TEFR1B E937 Rotary Disconnect Switch is a high-quality and reliable electrical component designed for use in industrial and commercial applications. Its versatile design, durable construction, and safety features make it an excellent choice for applications where dependable electrical disconnecting is essential.
The General Electric Tefr1b E937 Rotary Disconnect Switch is a type of electrical switch often used in industrial and commercial applications for controlling power to equipment or circuits. Like any product, it has its advantages and disadvantages.
Advantages:1. Durability: Rotary disconnect switches are known for their robust construction, making them suitable for heavy-duty applications. The GE Tefr1b E937 model is no exception, as it is designed to withstand frequent use and harsh environments.
2. Safety: This switch includes a rotary handle that can be locked in the on or off position, ensuring that the power supply is securely disconnected. This feature is essential for safety reasons, especially in industrial settings.
3. Versatility: This switch comes in various voltage and amperage ratings, allowing it to be used in a wide range of applications. It also has a NEMA 1 rating, making it suitable for indoor or outdoor use.
4. Easy installation: The GE Tefr1b E937 Rotary Disconnect Switch is relatively easy to install, as it requires minimal wiring and mounting hardware.
Disadvantages:1. Size: This switch is larger than some other types of switches, which may make it less suitable for space-constrained installations.
2. Cost: Compared to other types of switches, rotary disconnect switches can be more expensive. This may be a consideration for smaller projects or budget-conscious consumers.
3. Complexity: While the installation process is straightforward, the switch itself has more components than a standard toggle switch. This may make it more difficult to troubleshoot or repair if issues arise.
In conclusion, the General Electric Tefr1b E937 Rotary Disconnect Switch offers durability, safety, and versatility, making it an excellent choice for industrial and commercial applications. However, its size, cost, and complexity may be disadvantages for some users. Ultimately, the decision to purchase this switch depends on the specific requirements of the application and the user's budget and installation constraints.
If the advantages outweigh the disadvantages for your application, then the GE Tefr1b E937 Rotary Disconnect Switch is a recommended choice. However, if you have limited space or a tight budget, you may want to consider other types of switches, such as toggle switches or circuit breakers.
Details:
specifications indusswitch:
- brand: General Electric
- mpn: Tefr1b
- model: Tefr1b E838
- type: Disconnect Switch
- fuse type: Switch
- switch style: Rotary
offer indusswitch:
- started: july 19, 2025
- availability: in stock
- prices: $12.00–$503.00
- item condition:
- Used
- New
- in stock #: 5
- sold #: 15
- options: ship-to-home
shipping indusswitch:
- transit: 4-10 days
- service: usps ground advantage
- type: calculated
- class: standard
- carrier: usps
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Rotary Switches
payments indusswitch:
- wallet: paypal
- credit card: mastercard
- other
returns indusswitch:
- policy: no returns
seller indusswitch:
- rating: 100.0%
- city: hydesville, california
- # reviews: 138
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