Specifications General Product Name: Auxiliary Contact Block Model / Part Number: 1SBN010120R1011 (CAL4‑11) Accessory Type: Side‑mounted auxiliary contact block Compatible With: ABB AF and NF series contactors and relays Mounting Position: Side mount on contactor or relay Contact Arrangement Contacts: 1 NO + 1 NC Operation: Instantaneous auxiliary switching Electrical Ratings Rated Insulation Voltage (Ui): Up to 690 V AC Rated Operational Voltage: 24 V … 690 V AC Rated Frequency: 50 Hz / 60 Hz Rated Operational Current (AC‑15): 6 A @ 24/127 V AC 4 A @ 220/240 V AC 3 A @ 400/440 V AC 2 A @ 500/690 V AC Rated Operational Current (DC‑13): 6 A @ 24 V DC 0.55 A @ 110–125 V DC 0.27 A @ 220–250 V DC Conventional Free‑air Thermal Current (Ith): ~16 A at 40 °C Mechanical & Performance Screw Terminal Connections: Yes Mechanical Switching Frequency: ~3600 cycles/hour Electrical Switching Frequency: AC‑15: ~1200 cycles/hour DC‑13: ~900 cycles/hour Impulse Withstand Voltage (Uimp): ~6 kV Rated Short‑time Withstand Current: 140 A (0.1 s) 100 A (1 s) Physical Mounting Type: Side clipping on contactor body Terminal Type: Screw terminals Wire Size: 0.75 – 2.5 mm² Tightening Torque: ~1.2 N·m Protection Rating: IP20 at terminals Dimensions (approx): 12 mm (W) × 60 mm (D) × 69 mm (H) Weight: ~0.04 kg Applications Status feedback for contactor position (open/closed) Control interlocks in motor starters Signal logic in control panels and automation systems Extra auxiliary switching functions for safety and sequencing