B7D-40-00_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Specifications Specification Value / Description Contactor Type 4‑pole miniature contactor Main Contacts 4 × Normally‑Open (NO) Auxiliary Contacts None Control / Coil Circuit DC-operated coil (e.g., 24 V DC) Rated Main-Circuit Voltage (Ue) Up to 690 V AC Rated Insulation Voltage (Ui) 690 V AC Impulse Withstand Voltage (Uimp) 6 kV Rated Operational Current (AC‑1, Ie) 20 A @ 220–240 V AC (40 °C) / 16 A (55 °C) 20 A @ 380–440 V AC (40 °C) / 16 A (55 °C) 6 A @ 690 V AC Motor / Inductive Load (AC‑3) 3 kW @ 230 V AC three‑phase 5.5 kW @ 400 V AC three‑phase 3 kW @ 690 V AC three‑phase Short-Time Withstand Current (Icw) 96 A for 10 s (cold start, 40 °C ambient) Electrical / Mechanical Life Rated for ~10 million switching cycles Terminal / Connection Screw-terminal or cable-clamp for main circuit Mounting / Installation DIN‑rail or panel mounting; compact size for space-constrained cabinets Operating / Environmental Conditions Operating ambient: –20 … +55 °C; Storage: –40 … +80 °C; Max installation altitude: ~2000 m

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DESCRIBE

The ABB B7D‑40‑00 is a compact 4‑pole miniature contactor designed for switching AC or DC control circuits and moderate three‑phase or single‑phase loads. It provides a space-saving solution for control panels, automation cabinets, HVAC systems, small machines, lighting circuits, and general-purpose switching tasks. The B7D‑40‑00 uses a DC-operated coil to enable control via DC control circuits while providing AC switching capability for the main circuit. It is designed for durability, stable operation, and multiple switching cycles, making it suitable for both industrial and commercial control environments.

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