N03SJD, Circuit Breaker Neutral Transformer

N03SJD Circuit Breaker Neutral Transformer – Electrical Distributor Lighting Solutions The N03SJD Circuit Breaker Neutral Transformer by Siemens is designed for use with I-T-E® JD Frame circuit breakers equipped with ground fault protection. It supports 3-phase, 4-wire AC systems at voltages of 208Y/120, 480Y/277, or 600Y/347 volts. This neutral sensor transformer is essential for proper ground fault detection and protection, ensuring reliable operation in electrical distribution and lighting solutions. Specifications Manufacturer: Siemens Manufacturer Part #: N03SJD Frame: JD Material: Composite Dimensions (W x H x L): 6.3 in x 2.2 in x 6.3 in Product Weight: 1.55 lbs Ampere Rating: 300 Amps Compatible with: I-T-E® JD Frame Types SJD6(-A), SHJD6(-A), SCJD6(-A) circuit breakers Voltage Systems: 208Y/120, 480Y/277, 600Y/347 VAC, 3-phase, 4-wire Mounting: Designed for one 3.00” x 0.50” bus bar or two 500 MCM cables maximum Features Ensures proper ground fault protection operation in circuit breakers Composite material construction for durability and electrical insulation Maintains correct polarity with clearly designated terminal connections (X1 and X2) Compatible with Residual and Ground Return modes of electronic trip circuit breakers Includes mounting brackets and hardware for secure installation Designed to prevent nuisance tripping by matching the ampere rating to the circuit breaker’s continuous current rating Downloads & Links Installation/Operator Catalog