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-10 | CIR BRKR THRM 10A 250VAC 50VDC | 10A | 100 - Immediate | $1,351.83 | View Details |
![]() | ![]() | W33-T2N1Q-10 | CIR BRKR THRM 10A 250VAC 50VDC | 10A | 1070 - Immediate | $1,590.96 | 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 240VAC 50VDC | 30A | 1107 - Immediate | $887.47 | View Details |
![]() | ![]() | W23-X1A1G-7.50 | CIR BRKR THRM 7.5A 240VAC 50VDC | 7.5A | 260 - Immediate | $887.47 | View Details |
Toggle Actuator - W31 Series
| Image | Manufacturer Part Number | Description | Current Rating (Amps) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | W31-X2M1G-30 | CIR BRKR THRM 30A 240VAC 50VDC | 30A | 248 - Immediate | $1,082.18 | View Details |
![]() | ![]() | W31-X2M1G-15 | CIR BRKR THRM 15A 240VAC 50VDC | 15A | 244 - Immediate | $1,082.18 | 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 | 751 - Immediate | $96.20 | View Details |
![]() | ![]() | W57-XB7A4A10-20 | CIR BRKR THRM 20A 250VAC | 20A | 4937 - Immediate | $105.04 | View Details |
Push to Reset Fuseholder-Type - W28 Series
| Image | Manufacturer Part Number | Description | Current Rating (Amps) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | W28-XQ1A-3 | CIR BRKR THRM 3A 250VAC 32VDC | 3A | 36003 - Immediate | $123.35 | View Details |
![]() | ![]() | W28-XQ1A-8 | CIR BRKR THRM 8A 250VAC 32VDC | 8A | 1842 - Immediate | $123.35 | 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-HYDR 20A 277VAC | 20A | 83 - Immediate | $1,862.71 | View Details |
![]() | ![]() | W92-X112-10 | CIR BRKR MAG-HYDR 10A 277VAC | 10A | 99 - Immediate | $4,527.64 | View Details |
Quick-Connect or Screw Terminals - W6 Series
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | W68-X2Q12-10 | CIR BRKR MAG-HYDR 10A 277VAC | 69 - Immediate | $2,971.63 | View Details |
![]() | ![]() | W68-X2Q12-30 | CIR BRKR MAG-HYDR 30A 277VAC | 66 - Immediate | $5,118.94 | View Details |















