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UA95-30-00

The ABB UA95‑30‑00 is a 3‑phase, 3‑pole contactor intended primarily for capacitor switching or lighter duty power‑circuit control (rather than heavy motor switching). It offers reliable switching of three-phase circuits, with a compact design suitable for control panels, capacitor banks, or power‑factor correction systems. The design supports a broad control-voltage range (depending on coil variant), giving flexibility for different control‑voltage supplies. The contactor features robust main‑circuit terminals (bar or cable‑clamp type), and is rated for up to 1000 V AC in the main circuit (IEC standard). Its electrical and mechanical durability makes UA95‑30‑00 a solid choice for capacitor switching, reactive-power management, or general three-phase load control in industrial/commercial installations.

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Technical Specifications Parameter Value / Description Poles / Contacts 3 main poles (3 × NO) Auxiliary Contacts None Main-Circuit Rated Operational Voltage (Ue) Up to 1000 V AC / 600 V UL/CSA Conventional Free-Air Thermal Current (Ith) 145 A @ 40 °C Rated Operational Current (AC‑1, General Loads) 145 A @ 690 V, 40 °C Rated Operational Current (AC‑3, Motor/Inductive/Capacitive Loads) ~96 A @ 380–400 V, 55 °C Rated Reactive Power (for Capacitor Switching) Up to ~65 kvar @ 400 V, 50/60 Hz Rated Insulation Voltage (Ui) 1000 V AC / 600 V UL/CSA Rated Impulse Withstand Voltage (Uimp) 8 kV Coil / Control Voltage Depends on variant, e.g., 230–240 V AC (50 Hz) or 240–260 V AC (60 Hz) Coil Operating Range 0.85 × Uc … 1.10 × Uc, ambient ≤ 70 °C Coil Power Consumption Pull-in: ~350–450 VA; Holding: ~22–26 VA Switching Frequency & Durability Electrical: ~240 cycles/hour; Mechanical: ~10 million operations; Max mechanical: ~3600 cycles/hour Short-Time Withstand / Making / Breaking Capacity 800 A for 10 s (cold start); Breaking capacity ~1160 A @ 440 V, cos φ ≈ 0.45 Connections / Terminals Main: M8 hexagon socket, bar or cable-clamp; Auxiliary: flexible 2×0.75–2.5 mm² or solid 1×1–4 mm² Operating Environment Ambient with overload: –25…+50 °C; without overload: –40…+70 °C; Storage: –60…+80 °C; Max altitude: 3000 m