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ABB UA26-30-10RA capacitor switching contactor with integrated damping resistors, 3-pole AC-6b, coil 220–230V 50Hz / 230–240V 60Hz
ABB UA26-30-10RA capacitor switching contactor (AC-6b), 3-pole with damping resistors, on ABB box; coil 220–230V 50Hz / 230–240V 60Hz; Product ID 1SBL241024R8010
ABB UA26-30-10RA capacitor switching contactor in original box, AC-6b 3-pole with damping resistors, coil 220–230V 50Hz / 230–240V 60Hz
ABB UA26-30-10RA capacitor switching contactor beside original ABB box, AC-6b 3-pole with damping resistors, coil 220–230V 50Hz / 230–240V 60Hz, Product ID 1SBL241024R8010
ABB UA26-30-10RA capacitor switching contactor factory box with product label, 1SBL241024R8010, coil 220–230V 50Hz / 230–240V 60Hz

ABB UA 26-30-10RA Capacitor Switching Contactor

₹0.00

Meet the ABB UA26-30-10RA Capacitor Switching Contactor—a robust, 3-pole block contactor engineered for reliable capacitor bank switching. It comes factory-fitted with a special front block and damping resistors to limit inrush peaks and pre-charge capacitors, protecting your system and extending equipment life. Extended product type: UA26-30-10RA (220–230 V 50 Hz / 230–240 V 60 Hz). Product ID: 1SBL241024R8010. EAN: 3471522301802. Made in India.

Key Features at a Glance

  • Purpose-built for capacitors (AC-6b) with series damping resistors pre-installed

  • 3 main poles (NO) + 1 built-in auxiliary NO (3-0-10 configuration)

  • Rated operational voltage: Main & Auxiliary up to 690 V; Ui: up to 1000 V (per IEC 60947-4-1)

  • Impulse withstand (Uimp): 8 kV

  • Electrical durability: up to 250,000 cycles (Ue ≤ 440 V); 100,000 cycles (500–690 V)

  • Max electrical switching frequency: 240 cycles/hour

  • Coil: AC 50/60 Hz, 220–230 V (50 Hz) / 230–240 V (60 Hz)

  • Inrush control: pre-charge + current peak damping on energization; use without additional inductances

  • Short-circuit protection: gG type fuses (Main 125 A, Auxiliary 10 A)

  • Terminal protection: IP20 for main, auxiliary, and coil terminals

  • Mounting: DIN rail (TH35-7.5 / TH35-15) or screw mounting (2 × M4, diagonal)

  • Compact & sturdy: 54 × 126.3 × 120 mm, approx. 0.71 kg

Why Choose This Product

UA..RA contactors are designed specifically for capacitor switching where inrush peaks can exceed 100× nominal RMS current. The factory-integrated resistor block inserts three damping resistors in series during energization, pre-charging the capacitors and taming the initial and secondary peaks—resulting in smoother engagement, longer capacitor life, and fewer nuisance trips. With strong IEC compliance, high electrical endurance, and easy DIN-rail mounting, this contactor is a dependable choice for new APFC panels or retrofit upgrades.

Ideal For

  • LV power factor correction (PFC) banks and APFC panels

  • Industrial switchboards and MCCs

  • Commercial buildings & infrastructure PFC systems

  • OEMs building standardized capacitor bank modules

  • Retrofits where controlled inrush is critical

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Additional information

Brand

ABB
Model / Extended Type

UA26-30-10RA (220–230 V 50 Hz / 230–240 V 60 Hz)
Product ID

1SBL241024R8010
EAN

3471522301802
Application

Capacitor switching (AC-6b) with damping resistors & pre-charge
Poles / Contacts

3 Main NO, 0 Main NC / 1 Aux NO, 0 Aux NC
Rated Operational Voltage (Main/Aux)

Up to 690 V
Rated Insulation Voltage (Ui)

1000 V (IEC 60947-4-1); 690 V (IEC 60947-5-1); 600 V (UL/CSA)
Rated Impulse Withstand (Uimp)

8 kV
Standards

IEC/EN 60947-1, IEC/EN 60947-4-1
Frequency (Main/Aux/Control)

50/60 Hz
Coil Rated Voltage (Uc)

220–230 V (50 Hz), 230–240 V (60 Hz)
Coil Consumption

Hold: ~12 VA (50/60 Hz); Pull-in: ~120 VA (50 Hz) / ~140 VA (60 Hz)
Electrical Durability

250,000 cycles (Ue ≤ 440 V); 100,000 cycles (500–690 V)
Max Electrical Switching Frequency

240 cycles/hour
AC-6b Rated Power (kvar) @ 40/55/70 °C

230/240 V: 12.5 / 11.5 / 9 • 400/415 V: 22 / 20 / 15.5 • 440 V: 24 / 20 / 17 • 500/550 V: 30 (40 °C)
Conventional Free-air Thermal Current (Ith)

16 A (IEC 60947-5-1, Θ = 40 °C)
Aux Rated Operational Current AC-15 (Ie)

24/127 V: 6 A • 220/240 V: 4 A • 380/400 V: 3 A • 500 V: 2 A • 690 V: 2 A
Aux Rated Operational Current DC-13 (Ie)

24 V: 6 A / 144 W • 48 V: 2.8 A / 134 W • 72 V: 2 A / 144 W • 110 V: 1.1 A / 121 W • 125 V: 1.1 A / 138 W • 220 V: 0.55 A / 121 W • 250 V: 0.55 A / 138 W
Short-Circuit Protective Devices

Main: gG 125 A • Auxiliary: gG 10 A
Rated Short-time Withstand Current (Icw)

0.1 s: 140 A • 1 s: 100 A
Max Breaking Capacity

420 A @ 440 V (cosφ 0.45*) • 170 A @ 690 V (cosφ 0.45*) — *0.35 for Ie > 100 A
Minimum Switching Capacity

17 / 5 VLT4K
Power Loss (per pole)

0.1 W (at 6 A / rated conditions)
Operate Times

Energize → NO close: 8…21 ms • De-energize → NO open: 4…11 ms
Mounting

DIN rail TH35-7.5 / TH35-15 (IEC 60715) • 2 × M4 screw (diagonal)
Terminal Type / Main Terminals

Screw terminals / M4 (+/−) Pozidriv 2 with cable clamp
Connection Capacity – Auxiliary

Flexible with ferrule: 0.75…2.5 mm² • Rigid: 1…4 mm²
Ingress Protection (Terminals)

IP20 (Main / Auxiliary / Coil)
Dimensions (W × D × H)

54 × 126.3 × 120 mm
Net Weight

~0.71 kg
Country of Origin

India

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