ABB Motor Control
ABB A145-30-11 3-Pole AC-Operated Contactor
A three-pole ABB contactor for motor and power-circuit switching, with a 145 A AC-3 rating at 400 V and factory-fitted 1 NO + 1 NC auxiliary contacts.
Product Overview
AC Contactor for Motor and Power Switching
The ABB A145-30-11 is an AC-operated, three-pole contactor in the A145-A300 range. ABB specifies this family for controlling three-phase motors and power circuits.
The base device includes one normally open and one normally closed auxiliary contact. The complete ABB order number depends on the selected coil voltage.
| Manufacturer | ABB |
|---|---|
| Base model | A145-30-11 |
| Product type | AC-operated block contactor |
| Main poles | 3 |
| Auxiliary contacts | 1 NO + 1 NC |
| Maximum circuit voltage | Up to 1000 V AC for A145 / A185 |
| Ordering requirement | Base model plus coil-voltage order number |
Product Specifications
Verified Technical Data
| AC-3 current at 400 V | 145 A |
|---|---|
| Motor power at 400 V | 75 kW |
| AC-1 current at 690 V, 40 °C | 250 A |
| UL general-use current at 600 V | 230 A |
| UL motor power at 480 V | 100 hp |
| Product dimensions | 111.5 x 187 x 160 mm (W x H x D) |
| Net weight | 3.5 kg |
| Construction | Block-type contactor |
| 24 / 24 V coil | 1SFL471001R8111 |
|---|---|
| 48 / 48 V coil | 1SFL471001R8311 |
| 110 / 110-120 V coil | 1SFL471001R8411 |
| 220-230 / 230-240 V coil | 1SFL471001R8011 |
| 230-240 / 240-260 V coil | 1SFL471001R8811 |
| 380-400 / 400-415 V coil | 1SFL471001R8511 |
| 400-415 / 415-440 V coil | 1SFL471001R8611 |
| Main contact arrangement | 3 normally open main poles |
Features & Benefits
Product Functions
Defined motor rating
ABB specifies 145 A AC-3 and 75 kW at 400 V.
High AC-1 current
The official AC-1 value is 250 A at 690 V and 40 °C.
Built-in auxiliary pair
One NO and one NC auxiliary contact are fitted at the factory.
Multiple coil versions
Official order numbers cover common AC control voltages.
Accessory system
The A-line supports coordinated side accessories and interlocking components.
Traceable ordering
The coil-specific ABB order number identifies the complete contactor version.
Applications
Industrial Application Scope
Three-phase motor control
Starting and stopping industrial three-phase motors.
Power-circuit switching
Industrial AC power-circuit switching within the published ratings.
Motor-control assemblies
Contactor panels and interlocking arrangements using ABB accessories.
Lifecycle & Replacement
Official Product Status
Product Technical Images
A145 / A185 Frame Dimensions
ABB publishes the A145/A185 frame at 111.5 mm wide, 187 mm high and 160 mm deep.
Dimension schematic based on the ABB official catalog. Not to scale.
FAQ
Frequently Asked Questions
Is A145-30-11 a complete ABB order number?
No. Confirm the coil voltage and the corresponding complete ABB order number.
Which auxiliary contacts are included?
The -11 arrangement provides one NO and one NC auxiliary contact.
What are the dimensions and weight?
The dimensions are 111.5 x 187 x 160 mm and the net weight is 3.5 kg.
Can a different coil version be installed directly?
Only when the control voltage and frequency match the selected ABB coil version.
What should be provided for a quality enquiry?
Send the complete order number, coil voltage, quantity and nameplate photos.
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Contact Information
Industrial Parts Enquiry
Send the exact model, quantity and destination for a quotation.
ManagerLeonia
Emailsales@mvme.cn
Whatsapp+8618030175807
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