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SIEMENS 3RV1421-0BA10 ($59.99/EACH OBO)
- Manufacturer: Siemens
- Model: 3RV1421
“Very good conditions.” 3RV14210BA10 DISCONTINUED BY MANUFACTURER SINCE 01/10/19 CIRCUIT BREAKER SIZE S0 FOR TRANSFORMER PROTECTION A-RELEASE 0.14-0.2 AMP SHORT-CIRCUIT RELEASE 4.2A SCREW TERMINAL STANDARD SWITCH...
$60 USDWaukesha, WI 
Siemens circuit-breaker 3RV1421-0JA10
- Manufacturer: Siemens
- Model: 3RV1421
unused stock item Circuit-breaker size S0 for transformer protection A-trip 0.7...1 A N-trip 21 A screw connection Standard switching capacity
Freiberg, Germany
Siemens 3RV1421 1EA10 Transformer circuit breaker
- Manufacturer: Siemens
- Model: 3RV1421-1EA10
Siemens 3RV1421-1EA10 Transformer circuit breaker , unused in original packaging, 100% functional, scope of delivery according to photos
$31 USDRemscheid, Germany

