Looking for a heavy-duty solution for capacitor switching? Meet the ABB UA16-30-10RA, a 3-pole contactor built to handle extreme peak currents without breaking a sweat. Delivered with damping resistors, it’s designed for maximum reliability and extended durability.
Rated for capacitor switching applications
Handles peak currents over 100x nominal rms
Comes with integrated damping resistors
Electrical durability: 250,000 cycles (<500V), 100,000 cycles (500-690V)
3 main poles + 1 built-in auxiliary contact
AC control circuit with laminated magnet
Quick and reliable capacitor precharging
Compact block type design
Wide range of accessories available
The ABB UA16-30-10RA is purpose-built for demanding capacitor switching tasks, where managing massive inrush currents is critical. Thanks to its built-in damping resistors, it significantly reduces current peaks, improving operational safety and extending the life of your capacitors. Engineered for durability and high performance, this contactor ensures smooth, reliable operation even in the most intense industrial settings.
Industrial Electrical Panels
Capacitor Bank Switching
Power Factor Correction Systems
Commercial Power Distribution
Large Manufacturing Plants
Energy Management Systems
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| Technical Specification | Details |
|---|---|
| Number of Main Contacts NO | 3 |
| Number of Main Contacts NC | 0 |
| Number of Auxiliary Contacts NO | 1 |
| Number of Auxiliary Contacts NC | 0 |
| Number of Poles | 3P |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1 |
| Rated Operational Voltage | Auxiliary Circuit 690V, Main Circuit 690V |
| Rated Frequency (f) | 50 / 60 Hz (Auxiliary, Control, Main Circuits) |
| Conventional Free-air Thermal Current (Ith) | 16 A at 40°C (IEC 60947-5-1) |
| Rated Operational Current AC-15 (Ie) | 6A (24/127V), 4A (220/240V), 3A (380/400V), 2A (500/690V) |
| Rated Operational Current DC-13 (Ie) | 6A (24V), 2.8A (48V), 2A (72V), 1.1A (110/125V), 0.55A (220/250V) |
| Rated Operational Power AC-6b (Pe) | 8-18 kvar depending on Voltage and Temperature |
| Short-Circuit Protective Devices | gG Type Fuses: 10A (Auxiliary), 80A (Main) |
| Rated Short-time Withstand Current (Icw) | 140A (0.1s), 100A (1s) |
| Rated Insulation Voltage (Ui) | 1000V (IEC 60947-4-1), 690V (IEC 60947-5-1), 600V (UL/CSA) |
| Rated Impulse Withstand Voltage (Uimp) | 8 kV |
| Electrical Durability | 250,000 cycles (<440V), 100,000 cycles (500–690V) |
| Maximum Electrical Switching Frequency | 240 cycles/hour |
| Rated Control Circuit Voltage (Uc) | 220-230V (50Hz), 230-240V (60Hz) |
| Coil Consumption | Holding: 8VA; Pull-in: 70-80VA |
| Power Loss | 0.1W per pole |
| Operate Time | De-energization: 4-11ms, Energization: 10-26ms |
| Mounting | DIN Rail (TH35-15/7.5) or Screw Mount (2x M4) |
| Connecting Capacity | Flexible 0.75–2.5mm², Rigid 1–4mm² (Main and Aux Circuits) |
| Degree of Protection | IP20 (Auxiliary, Coil, and Main Terminals) |
| Connecting Terminals | M 3.5 Pozidriv 2 screws with cable clamp |
| Tightening Torque | 1 N·m (Auxiliary, Control, Main Circuits) |
| Terminal Type | Screw Terminals |
| Product Name | Block Contactor |
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