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1SFL557025R7011

ABB 1SFL557025R7011 A 3‑pole DC contactor suitable for DC‑1 applications. All three poles are connected in series for a single‑pole DC circuit configuration up to a maximum of 1000 VDC. It can be operated with a wide control voltage range in both AC and DC.

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Specifications Electrical Ratings Rated Control Supply Voltage (Uc): 100–250 V AC/DC Rated Operational Voltage (Main Circuit): up to 1000 V DC Rated Operational Current DC‑1 (Ie): • 500 A at 1000 V, ambient 40 °C • 400 A at 1000 V, ambient 55 °C • 325 A at 1000 V, ambient 70 °C Conventional Free‑air Thermal Current (Ith): 500 A Maximum Breaking Capacity: ~3000 A at 440 V, ~2500 A at 690 V Rated Insulation Voltage (Ui): 1000 V Impulse Withstand Voltage (Uimp): 8 kV Contacts Main Contacts: 1 Normally Open (NO) per pole Auxiliary Contacts: 1 NO + 1 NC Coil / Control Control voltage range: 100–250 V AC/DC Coil consumption: holding and pull‑in vary by AC/DC Mechanical & Mounting Mechanical Durability: ~5 million operations Max Mechanical Switching Frequency: ~300 cycles/hour Connecting Capacity (Main): • Bars up to 32 mm² • Rigid Cu up to 240 mm² • Rigid Al up to 120 mm² Protection & Environment Degree of Protection: Coil terminals IP20; main terminals IP00 Operating Ambient Temp: −40 °C to +70 °C Storage Temp: −40 °C to +70 °C Altitude: up to ~3000 m RoHS Compliant: Yes Dimensions & Weight Width: ~140 mm Depth / Length: ~180.5 mm Height: ~227 mm Weight: ~5.5–5.8 kg Summary Type: 3‑pole DC contactor Main Use: Switching DC circuits (up to 1000 V) in DC‑1 duty Control Voltage: 100–250 V AC/DC Rated DC Current: Up to ~500 A depending on temperature Auxiliary Contacts: 1 NO + 1 NC Mechanical Life: ~5 million operations