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| PartNumber | W51-A121B1-10 | W51-A121B1-20 | W51-A121B1-15 |
| Description | Circuit Breakers 10A RCKR ACT RED ILL | Circuit Breakers 20A RCKR ACT RED ILL | Circuit Breakers 15A RCKR ACT RED ILL |
| Manufacturer | TE Connectivity | TE Connectivity Potter & Brumfield Relays | TE Connectivity Potter & Brumfield Relays |
| Product Category | Circuit Breakers | Accessories | Accessories |
| RoHS | E | - | - |
| Series | W51 | W51 | W51 |
| Type | Supplementary Protector | Supplementary Protector | Supplementary Protector |
| Current Rating | 10 A | 20A | 15A |
| Voltage Rating AC | 125 VAC | 125 V | 125 V |
| Voltage Rating DC | 50 VDC | 50 VDC | 50 VDC |
| Number of Poles | 1 Pole | 1 | 1 |
| Actuator Type | Rocker | Rocker | Rocker |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 60 C | - | - |
| Illuminated | Illuminated | Illuminated | Illuminated |
| Height | 27.9 mm | 27.9 mm | 27.9 mm |
| Length | 21.8 mm | 21.8 mm | 21.8 mm |
| Termination Style | Quick Connect | Quick Connect | Quick Connect |
| Voltage Rating | 125 VAC | 125 VAC | 125 VAC |
| Width | 12.8 mm | 12.8 mm | 12.8 mm |
| Brand | TE Connectivity / P&B | - | - |
| Mounting Style | Snap In | Snap In | Snap In |
| Compliance | UL, CSA | - | - |
| Product Type | Thermal Circuit Breakers | Rocker Actuated Circuit Breaker / Power Switch | Circuit Breaker |
| Factory Pack Quantity | 200 | - | - |
| Subcategory | Circuit Breakers | - | - |
| Part # Aliases | 1423673-5 | - | - |
| Unit Weight | 0.370377 oz | 0.370377 oz | 0.370377 oz |
| Product | - | Thermal Circuit Breakers | Thermal Circuit Breakers |
| Packaging | - | Bulk | - |
| Part Aliases | - | 1423673-7 | 1423673-6 |
| Qualification | - | Commercial | Commercial |
| Operating Temperature Range | - | 0 C to + 60 C | 0 C to + 60 C |
| Mounting Type | - | Panel Mount | Panel Mount |
| Breaker Type | - | Thermal | Thermal |
| Illumination | - | Red | Red |
| Illumination Voltage Nominal | - | - | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
TE Connectivity |
W51-A162A1-8 | Circuit Breakers W51-A162A1-8=CKTBKR,THERM,ROCK,QC.250 | |
| W51-A121B1-8 | Circuit Breakers W51-A121B1-8=CKTBKR,THERM,ROCK | ||
| W51-AB21B2-12 | Circuit Breakers W51-AB21B2-12=CKTBKR,THERM,ROCK,QC.250,P | ||
| W51-A151A1-10 | Circuit Breakers W51-A151A1-10 | ||
| W51-A151A1-7 | Circuit Breakers W51-A151A1-7 | ||
| W51-A122B1-7 | Circuit Breakers CKTBKRTHERMROCK | ||
| W51-ABA3C2-10 | Circuit Breakers W51-ABA3C2-10=CKTBKR,THERM,ROCK,QC.250 | ||
| W51-A121B1-6 | Circuit Breakers W51-A121B1-6 | ||
| W51-AB21B2-12 | CIR BRKR THRM 12A 125VAC 50VDC | ||
| W51-A151A1-20 | Circuit Breakers W51-A151A1-20 | ||
| W51-A121B1-8 | Circuit Breaker Thermal 1Pole 8A 125VAC - Trays (Alt: 1423673-4) | ||
| W51-A151A1-15 | Circuit Breakers W51-A151A1-15 | ||
| W51-A151A1-10 | Circuit Breakers W51-A151A1-10 | ||
| W51-A151A1-7 | Circuit Breakers W51-A151A1-7 | ||
| W51-A121B1-6 | Circuit Breakers | ||
| W51-A162A1-8 | Circuit Breakers W51-A162A1-8=CKTBKR,THERM,ROCK,QC.250 | ||
| W51-A122B1-7 | Circuit Breakers CKTBKRTHERMROCK | ||
| W51-A121B1-20 | Circuit Breakers 20A RCKR ACT RED ILL | ||
| W51-A122B1-8 | Circuit Breakers CIRCUIT BRKER 1POLE 8Amps Rocke | ||
| W51-A152A1-20 | Circuit Breakers 20A RCKR ACT NON-ILL | ||
| W51-A151A1-5 | Circuit Breakers CKTBKR,THERM,ROCK | ||
| W51-A122B1-5 | Circuit Breakers 5A ROCKR ACT RED ILL | ||
| W51-A122B1-15 | Circuit Breakers 15A RCKR ACT RED ILL | ||
| W51-A122B1-20 | Circuit Breakers 20A RCKR ACT RED ILL | ||
| W51-A152A1-5 | Circuit Breakers 5A ROCKR ACT NON-ILL | ||
| W51-A122B1-10 | Circuit Breakers 10A RCKR ACT RED ILL | ||
| W51-A121B1-10 | Circuit Breakers 10A RCKR ACT RED ILL | ||
| W51-A161A1-15 | Circuit Breakers CIRCUIT BREAKER THERMAL 15A RED | ||
| W51-A152A1-15 | Circuit Breakers 15A RCKR ACT NON-ILL | ||
| W51-A121B1-5 | Circuit Breakers 5A ROCKR ACT RED ILL | ||
| W51-A121B1-15 | Circuit Breakers 15A RCKR ACT RED ILL | ||
| W51-A152A1-10 | Circuit Breakers 10A RCKR ACT NON-ILL | ||
TE Connectivity / Potter & Brumfield |
W51-A122B1-20 | Circuit Breakers 20A RCKR ACT RED ILL | |
| W51-A121B1-10 | Circuit Breakers 10A RCKR ACT RED ILL | ||
| W51-A122B1-15 | Circuit Breakers 15A RCKR ACT RED ILL | ||
| W51-A122B1-10 | Circuit Breakers 10A RCKR ACT RED ILL | ||
| W51-A122B1-8 | Circuit Breakers CIRCUIT BRKER 1POLE 8Amps Rocker | ||
| W51-A121B1-6 (ALTERNATE: 7-1393246-2) | Circuit Breaker, Thermal, Rocker, Cur-Rtg 6A, 1 Pole, W51 Series | ||
| W51-A121B1-20 (ALTERNATE: 7-1393246-0) | Circuit Breaker, Therm, Rocker, 20A, Panel, 1 Pole, 125VAC, W51 Series, W51-A121B1-20 | ||
| W51-A152A1-20 (ALTERNATE: 2-1393250-2) | Circuit Breaker Therm Rocker 20A Panel 1 Pole 250VAC W51 Series W51-A152A1-20 | ||
| W51-A122B1-5 (ALTERNATE: 7-1393246-7) | Circuit Breaker Therm Rocker Cur-Rtg 5A Panel 1 Pole Vol-Rtg 250VAC W51-A122B1-5 | ||
| W51-A122B1-15 (ALTERNATE: 7-1393246-5) | Circuit Breaker, Therm, Rocker, Cur-Rtg 15A, Panel, 1 Pole, Vol-Rtg 250VAC, W51 Series | ||
| W51-A122B1-20 (ALTERNATE: 7-1393246-6) | Circuit Breaker, Therm, Rocker, Cur-Rtg 20A, Panel, 1 Pole, Vol-Rtg 250VAC, W51 Series | ||
| W51-A152A1-5 (ALTERNATE: 2-1393250-3) | Circuit Breaker, Therm, Rocker, Cur-Rtg 5A, Panel, 1 Pole, Vol-Rtg 250VAC | ||
| W51-A122B1-10 (ALTERNATE: 7-1393246-4) | Circuit Breaker, Therm, Rocker, 10A, Panel, 1 Pole, 250VAC, W51 Series, W51-A122B1-10 | ||
| W51-A121B1-10 (ALTERNATE: 6-1393246-8) | Circuit Breaker, Therm, Rocker, 10A, Panel, 1 Pole, 125VAC, W51 Series, W51-A121B1-10 | ||
| W51-A152A1-15 (ALTERNATE: 2-1393250-1) | Circuit Breaker Therm Rocker 15A Panel 1 Pole 250VAC W51 Series W51-A152A1-15 | ||
| W51-A121B1-5 (ALTERNATE: 7-1393246-1) | Circuit Breaker Therm Rocker Cur-Rtg 5A Panel 1 Pole Vol-Rtg 125VAC W51-A121B1-5 | ||
| W51-A121B1-15 (ALTERNATE: 6-1393246-9) | Circuit Breaker Therm Rocker 15A Panel 1 Pole 125VAC W51 Series W51-A121B1-15 | ||
| W51-A152A1-10 (ALTERNATE: 1-1393250-9) | Circuit Breaker Therm Rocker 10A Panel 1 Pole 250VAC W51 Series W51-A152A1-10 |