AF300-30-11-70_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Specifications Parameter Value Model / Series AF300‑30‑11‑70 Contact Configuration (Main) 3 poles, 3NO Auxiliary Contacts 1 NO + 1 NC Coil (Control) Voltage 100–250 V AC/DC, 50/60 Hz Main Circuit Rated Voltage Up to 690 V AC Conventional Free‑air Thermal Current (Ith) 500 A Rated Operational Current AC‑1 (Ie, 690 V) 500 A @ 40 °C; 400 A @ 55 °C; 325 A @ 70 °C Rated Operational Current AC‑3 (Ie) 220–240 V: 305 A; 380–400 V: 305 A; 415 V: 300 A; 440–500 V / 690 V: 280 A Rated Operational Power AC‑3 (Pe) 220–240 V: 90 kW; 380–400 V: 160 kW; 415–440 V: 160 kW; 500 V: 200 kW; 690 V: 250 kW Making / Breaking Capacity (AC‑3) Making: 10 × Ie ; Breaking: 8 × Ie Short-time Withstand Current (Icw) 1 s → 3500 A; 10 s → 2400 A; 15 min → 500 A Terminals / Connection Type Screw terminals (main and auxiliary) Dimensions (W × D × H) 140 × 180.5 × 227 mm Ambient Operating Temperature With thermal overload relay: –25 °C … +50 °C; Without overload relay: –40 °C … +70 °C

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DESCRIBE

The AF300‑30‑11‑70 is a 3‑pole non‑reversing contactor from ABB’s AF series, designed for motor control, power‑circuit switching, and industrial applications.It supports a control‑voltage range of 100–250 V AC or DC (50/60 Hz), compatible with different control‑voltage supplies.The contactor includes 3 main contacts (normally open — 3NO) and built‑in auxiliary contacts (1 NO + 1 NC) for additional control or signaling circuits.Its robust design with integrated arc suppression and wide current/voltage capacity makes it suitable for heavy‑duty loads, such as three‑phase motors or non‑inductive/slightly inductive loads up to 690 V.

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