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Reliable Electronic Control Unit P58103

Alstom P58103 railway-grade DIN rail auxiliary relay, deployed in metro, EMU traction cabinets and traction substation control panels for signal interlock, equipment feedback and fault alarm switching. Equipped with built-in freewheeling diode and LED status indicator, reinforced anti-vibration internal structure complying with rolling stock standards.

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Technical Parameters Basic Info Brand: Alstom Model: P58103 Mounting: 35mm standard DIN rail snap-on installation Application: Railway vehicle traction cabinet, MV switchgear logic interlock Coil Specifications Rated coil voltage: DC 110V Operating voltage range: 77 VDC ~ 137.5 VDC Nominal power consumption: 1.4 W Pull-in voltage ≤70% Un; Drop-out voltage ≥10% Un Built-in freewheeling diode to suppress coil reverse voltage surge Contact Ratings Contact layout: 3 groups change-over contacts (3CO) Contact material: AgSnO₂ anti-welding alloy Continuous thermal current per contact: 6 A AC switching capacity (AC-15, 250 VAC): Max 1500 VA DC switching capacity (DC-13, 110 VDC): Max 330 W Mechanical service life: ≥10,000,000 cycles (no-load) Electrical service life: ≥100,000 cycles (full rated load) Mechanical Dimensions Module width: 35 mm Overall size: H80 mm × W35 mm × D72 mm Terminals: Screw-clamp terminals, applicable wire 0.75~2.5 mm² Tightening torque: 0.9~1.1 N·m Status indicator: Front LED for coil energization display Net weight: 0.15 kg Environmental & Compliance Standards Operating ambient temperature: -20 ℃ ~ +60 ℃ Storage & transport temperature: -40 ℃ ~ +85 ℃ Relative humidity: 5% ~ 95% non-condensing Vibration test standard: IEC 61373 railway rolling stock EMC immunity: IEC 61000-6-2 industrial standard Certification: IEC 60947-5-1, CE marked, RoHS & REACH compliant