Circuit Breakers
TE Connectivity's thermal and hydraulic magnetic circuit breakers
TE Connectivity's thermal circuit breakers are available with rocker, push-pull, toggle, and push-to-reset actuators. These circuit breakers combine on/off switching with circuit protection in a single unit. They also offer a low-cost alternative to magnetic circuit breakers.
Magnetic Circuit breakers offer ratings from 20 mA to 50 A. Magnetic models are 1-pole to 4-pole devices. All series meet UL 1077 requirements, and several types meet ignition protection according to UL 1500.
- Typically less expensive
- Trip point varies with the ambient temperature
- One- through four-pole models
- Typically more expensive
- Temperature stable over a wide range
- One- and two-pole models only
Rocker Actuator - W33 Series
| Image | Manufacturer Part Number | Description | Current Rating (Amps) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | W33-S4B1Q-20 | CIR BRKR THRM 20A 250V 50V | 20A | 218 - Immediate | $74.49 | View Details |
![]() | ![]() | W33-T4B1Q-10 | CIR BRKR THRM 10A 250V 50V | 10A | 83 - Immediate | $97.27 | View Details |
Push-Pull Actuator - W23 Series
| Image | Manufacturer Part Number | Description | Current Rating (Amps) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | W23-X1A1G-30 | CIR BRKR THRM 30A 240V 50V | 30A | 801 - Immediate | $33.91 | View Details |
![]() | ![]() | W23-X1A1G-10 | CIR BRKR THRM 10A 240V 50V | 10A | 449 - Immediate | $35.62 | View Details |
Toggle Actuator - W31 Series
| Image | Manufacturer Part Number | Description | Current Rating (Amps) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | W31-X2M1G-5 | CIR BRKR THRM 5A 240V 50V | 5A | 824 - Immediate | $40.84 | View Details |
![]() | ![]() | W31-X2M1G-15 | CIR BRKR THRM 15A 240V 50V | 15A | 305 - Immediate | $40.94 | View Details |
Compact, Push to Reset - W57 Series
| Image | Manufacturer Part Number | Description | Current Rating (Amps) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | W57-XB7A4A10-10 | CIR BRKR THRM 10A 250V | 10A | 1931 - Immediate | $4.54 | View Details |
![]() | ![]() | W57-XB1A4A10-5 | CIR BRKR THRM 5A 250V | 5A | 0 - Immediate 599 - Marketplace | $2.54 | View Details |
Push to Reset Fuseholder-Type - W28 Series
| Image | Manufacturer Part Number | Description | Current Rating (Amps) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | W28-XQ1A-4 | CIR BRKR THRM 4A 250V 32V | 4A | 4593 - Immediate | $4.29 | View Details |
![]() | ![]() | W28-XQ1A-7 | CIR BRKR THRM 7A 250V 32V | 7A | 6537 - Immediate | $4.42 | View Details |
Heavy Duty #10-32 Stud Connections - W9 Series
| Image | Manufacturer Part Number | Description | Current Rating (Amps) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | W91-X112-20 | CIR BRKR MAG (HYD DLY) 20A 277V | 20A | 158 - Immediate | $71.74 | View Details |
![]() | ![]() | W93-X112-50 | CIR BRKR MAG (HYD DLY) 50A 277V | 50A | 31 - Immediate | $262.83 | View Details |
Quick-Connect or Screw Terminals - W6 Series
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | W67-X2Q12-20 | CIR BRKR MAG (HYD DLY) 20A 277V | 38 - Immediate | $85.78 | View Details |
![]() | ![]() | W67-X2Q12-10 | CIR BRKR MAG (HYD DLY) 10A 277V | 111 - Immediate | $78.77 | View Details |















