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 250VAC 50VDC | 20A | 232 - Immediate | $74.49 | View Details |
![]() | ![]() | W33-S1N1Q-10 | CIR BRKR THRM 10A 250VAC 50VDC | 10A | 42 - Immediate | $90.72 | View Details |
Push-Pull Actuator - W23 Series
| Image | Manufacturer Part Number | Description | Current Rating (Amps) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | W23-X1A1G-5 | CIR BRKR THRM 5A 240VAC 50VDC | 5A | 190 - Immediate | $33.21 | View Details |
![]() | ![]() | W23-X1A1G-15 | CIR BRKR THRM 15A 240VAC 50VDC | 15A | 164 - Immediate | $33.50 | 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 240VAC 50VDC | 5A | 245 - Immediate | $40.84 | View Details |
![]() | ![]() | W31-X2M1G-20 | CIR BRKR THRM 20A 240VAC 50VDC | 20A | 142 - Immediate | $41.07 | 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 250VAC | 10A | 2083 - Immediate | $4.54 | View Details |
![]() | ![]() | W57-XB1A4A10-5 | CIR BRKR THRM 5A 250VAC | 5A | 0 - Immediate 1239 - 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-5 | CIR BRKR THRM 5A 250VAC 32VDC | 5A | 10118 - Immediate | $4.55 | View Details |
![]() | ![]() | W28-XQ1A-4 | CIR BRKR THRM 4A 250VAC 32VDC | 4A | 4800 - Immediate | $4.55 | View Details |
Heavy Duty #10-32 Stud Connections - W9 Series
| Image | Manufacturer Part Number | Description | Current Rating (Amps) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | W93-X112-50 | CIR BRKR MAG-HYDR 50A 277VAC | 50A | 37 - Immediate | $247.95 | View Details |
![]() | ![]() | W91-X112-20 | CIR BRKR MAG-HYDR 20A 277VAC | 20A | 223 - Immediate | $71.74 | 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-HYDR 20A 277VAC | 51 - Immediate | $85.78 | View Details |
![]() | ![]() | W67-X2Q110-15 | CIR BRKR MAG-HYDR 15A 277VAC | 120 - Immediate | $30.12 | View Details |
















