UA30-30-10RA 230-240V 50Hz / 277V 60Hz

Name: UA30-30-10RA 230-240V 50Hz / 277V 60Hz
Brand: ABB
SKU: UA30-30-10RA 230-240V 50Hz / 277V 60Hz

The ABB UA30-30-10RA is a versatile 3-pole contactor suitable for capacitor switching. It handles peak currents up to 100 times nominal RMS, ensuring smooth operation and durability. Ideal for demanding applications.

Product ModelUA30-30-10RA 230-240V 50Hz / 277V 60Hz

Material Number1SBL281024R4210

Product ID88540

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Exceptional Electrical DurabilityThe ABB UA30-30-10RA boasts impressive longevity, capable of withstanding 250,000 operating cycles for voltages under 500V and 100,000 cycles for voltages between 500V and 690V, making it reliable for long-term use in demanding applications.
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2. Advanced Damping SystemThis contactor comes with a special front-mounted block that serially inserts three damping resistors into the circuit, limiting the initial current peak when energizing capacitor banks and ensuring a smooth transition. This feature also pre-charges the capacitors to limit secondary current peaks, making it ideal for applications requiring precision and reliability.
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3. Versatile DesignThe block-type design of the UA30-30-10RA is compact and efficient, featuring three main poles and one built-in auxiliary contact, all controlled by an AC-operated laminated magnet circuit. This design allows for customization with a wide range of accessories available to fit specific needs.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

54 mm

Product Net Depth / Length

141 mm

Product Net Height

130 mm

Product Net Weight

0.81 kg

Number of Main Contacts NO

Number of Main Contacts NC

4. High Current HandlingDesigned to handle peak currents that can exceed 100 times the nominal RMS current, this contactor is perfect for installations where high current surges are common. Its ability to manage such high currents ensures smooth operation and reduces the risk of electrical failures.

5. Reliability in Capacitor SwitchingThe UA30-30-10RA is specifically designed for capacitor switching applications, ensuring that the contactor operates reliably even in high-demand situations. The inclusion of damping resistors ensures that the capacitor bank is pre-charged, limiting secondary current peaks and ensuring a stable electrical environment.

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

Standards

IEC/EN 60947-1, IEC/EN 60947-4-1

Rated Operational Voltage

Auxiliary Circuit 690 V Main Circuit 690 V

Rated Frequency (f)

Auxiliary Circuit 50 / 60 Hz Control Circuit 50 / 60 Hz Main Circuit 50 / 60 Hz

Conventional Free-air Thermal Current (Ith)

acc. to IEC 60947-5-1, Î = 40 Â°C 16 A

Rated Operational Power AC-6b (Pe)

(230 / 240 V) 40 Â°C, 50 / 60 Hz 16 kvar (230 / 240 V) 55 Â°C, 50 / 60 Hz 16 kvar (230 / 240 V) 70 Â°C, 50 / 60 Hz 11 kvar (400 / 415 V) 40 Â°C, 50 / 60 Hz 30 kvar (400 / 415 V) 70 Â°C, 50 / 60 Hz 19.5 kvar (400 / 415 V) 55 Â°C, 50 / 60 Hz 27.5 kvar (440 V) 40 Â°C, 50 / 60 Hz 32 kvar (440 V) 55 Â°C, 50 / 60 Hz 30 kvar (440 V) 70 Â°C, 50 / 60 Hz 20.5 kvar (500 / 550 V), 40 Â°C, 50 / 60 Hz 34 kvar (500 / 550 V) 55 Â°C, 50 / 60 Hz 34 kvar (500 / 550 V) 70 Â°C, 50 / 60 Hz 25 kvar (690 V) 40 Â°C, 50 / 60 Hz 45 kvar (690 V) 55 Â°C, 50 / 60 Hz 45 kvar (690 V) 70 Â°C, 50 / 60 Hz 32 kvar

Rated Operational Current AC-15 (Ie)

(500 V) 2 A (690 V) 2 A (24 / 127 V) 6 A (220 / 240 V) 4 A (380 / 400 V) 3 A

Short-Circuit Protective Devices

Auxiliary Circuit - gG Type Fuses 10 A gG Type Fuses 200 A

Rated Short-time Withstand Current Low Voltage (Icw)

for 0.1 s 140 A for 1 s 100 A

Maximum Breaking Capacity

cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 440 V 820 A cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 690 V 340 A

Maximum Electrical Switching Frequency

240 cycles per hour

Rated Operational Current DC-13 (Ie)

(24 V) 6 A / 144 W (48 V) 2.8 A / 134 W (72 V) 2 / 144 W (110 V) 0.55 A / 60 W (125 V) 1.1 / 138 W (220 V) 0.55 A / 121 W (250 V) 0.55 / 138 W

Rated Insulation Voltage (Ui)

acc. to IEC 60947-4-1 1000 V acc. to IEC 60947-5-1 690 V acc. to UL/CSA 600 V

Rated Impulse Withstand Voltage (Uimp)

8 kV

Rated Control Circuit Voltage (Uc)

50 Hz 230 ... 240 V 60 Hz 277 V

Coil Consumption

Average Holding Value 50 Hz 12 VÂ·A Average Holding Value 60 Hz 12 VÂ·A Average Pull-in Value 50 Hz 120 VÂ·A Average Pull-in Value 60 Hz 140 VÂ·A

Operate Time

Between Coil De-energization and NO Contact Opening 4 ... 11 ms Between Coil Energization and NO Contact Closing 8 ... 21 ms

Mounting on DIN Rail

TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715

Mounting by Screws (not supplied)

2 x M4 screws placed diagonally

Connecting Capacity Main Circuit

Flexible with Cable End 2.5 ... 4 mmÂ² Rigid Cable 2.5 ... 6 mmÂ²

Connecting Capacity Auxiliary Circuit

Flexible with Cable End 0.75 ... 2.5 mmÂ² Rigid Cable 1 ... 4 mmÂ²

Degree of Protection

acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP20 acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP20 acc. to IEC 60529, IEC 60947-1, EN 60529 Main Terminals IP20

Connecting Terminals (delivered in open position) Main Poles

M 5 (+,-) pozidriv 2 screws with 2x (5.6x6.5 mm) connector

Terminal Type

Screw Terminals

Ambient Air Temperature

Close to Contactor for Storage -60 ... +80 Â°C Near Contactor for Operation in Free Air (0.85 ... 1.1 Uc) -40 ... +55 Â°C Near Contactor for Operation in Free Air (Uc) -40 ... 70 Â°C

Climatic Withstand

acc. to IEC 60068-2-30 and 60068-2-11 - UTE C 63-100 specification II

Maximum Operating Altitude Permissible

Without Derating 3000 m

Object Classification Code

ETIM 7

EC001079 - Capacitor contactor

ETIM 8

EC001079 - Capacitor contactor

ETIM 9

EC001079 - Capacitor contactor

eClass

V11.0 : 27371006

UNSPSC

39121529

Manufacturer ID

1SBL281024R4210