ABB UA26 Contactor, 380V, 400 V Coil, 3-Pole, 10 A 400V, 415 V, 3 NO, 690V

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THB4,034.61

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THB4,317.03

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RS Stock No.:
253-1962
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.:
1SBL241022R8510
ผู้ผลิต:
ABB
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Brand

ABB

Product Type

Contactor

Coil Voltage

380, 400V

Number of Poles

3

Contact Voltage

690V

Contact Current

10A

Series

UA26

Mount Type

DIN Rail

Function

Capacitor Switching

Normal State Configuration

3 NO

Auxiliary Contact Configuration

1 NO

Number of Auxiliary Contacts

1

Terminal Type

Screw

Control Circuit Voltage Uc

400, 415V

Operational Current Ie

1.8A

Minimum Operating Temperature

-40°C

Contactor Application

Control Unit

Maximum Operating Temperature

70°C

Length

94mm

Width

54mm

Depth

90mm

Standards/Approvals

EU Directive 2011/65/EU

Pole and Throw Configuration

3P

COO (Country of Origin):
BG

ABB UA26 Series Contactor, 10A Contact Current, 400 to 415V Control Circuit Voltage Uc - 1SBL241022R8510


This contactor is a three-pole device designed for switching capacitor banks and control duties in industrial electrical systems. It operates from AC control supplies at 50/60Hz and is intended for DIN-rail mounting in panels where compact, purpose-built capacitor switching is required.

Features & Benefits


• 3NO main poles for direct switching of capacitor phases
• 1NO auxiliary contact for signalling and interlocks
• Coil rated 400 to 415V for 50/60Hz control circuits
• Supports Peak inrush up to 100x nominal rms current for capacitors
• Operational current 1.8A for low-control-power applications
• Rated main circuit voltage up to 690V allowing high-voltage use

Applications


• Suitable for power factor correction capacitor bank switching
• Ideal for panel-mounted reactive power control units
• Used for automated capacitor bank sequencing in distribution boards
• Can be used for retrofit capacitor control in industrial installations

What protection devices should be used with it for short-circuit safety?


Select gG fuses sized to the auxiliary and main circuits

recommended protective device values include 1.5 to 1.8A for the control Coil and 10A for auxiliary-circuit gG fuses as listed for coordination.

How does the device cope with high ambient temperatures during operation?


It is specified to operate in free Air up to +70°C at rated control voltage, with performance tables giving reduced permissible capacitor kvar at elevated temperatures.

What mechanical endurance can I expect under normal switching?


Mechanical durability is specified at 10 million operations with electrical durability of 100,000 cycles under the capacitor switching conditions described.

Which Terminal types and connection capacities are provided for installation?


Screw terminals are supplied

main-circuit wiring accepts flexible 0.75 to 4mm² and rigid 1 to 6mm² conductors depending on pole or auxiliary connection.

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