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1SBL357001R7211 ABB AF50-30-11 20-60V DC Contactor
ABB AF50-30-11 1SBL357001R7211 three-pole industrial contactor with a 20–60 V DC electronic control coil, 3 NO main contacts, 1 NO + 1 NC auxiliary contacts and a 22 kW motor rating at 400 V AC-3.
£272.02
Why Choose the ABB AF50-30-11 20-60V DC Contactor?
The ABB AF50-30-11, order code 1SBL357001R7211, is a three-pole DC-operated contactor designed for controlling three-phase motors and industrial power circuits. Part of ABB's AF contactor range, it combines robust block-type construction with an electronic coil interface for dependable operation in demanding control and automation applications.
The AF50-30-11 features three normally open main contacts together with 1 NO + 1 NC auxiliary contacts. Its 20–60 V DC electronic control coil accommodates a broad DC control-voltage range and is designed to provide distinct closing and opening characteristics while reducing coil power consumption.
This exact 1SBL357001R7211 version provides an IEC motor rating of 22 kW at 400 V AC-3, an AC-1 operational current rating of 100 A at 40 °C and a UL/CSA three-phase motor rating of 40 hp at 480 V. Its integrated auxiliary contacts make it particularly convenient for control, interlocking and signalling functions.
Key Advantages
- Industrial three-pole contactor with 3 NO main contacts.
- Wide-range 20–60 V DC electronic control coil.
- Integrated 1 NO + 1 NC auxiliary contacts.
- 22 kW motor rating at 400 V AC-3.
- 100 A AC-1 operational current at 40 °C.
- Electronic coil interface supports reliable operation during control-voltage variations.
- Suitable for motor control, power switching and industrial automation systems.
Key Features
- ABB AF50-30-11 contactor.
- 3 NO main poles.
- 1 NO + 1 NC fitted auxiliary contacts.
- 20–60 V DC rated control circuit voltage.
- 22 kW at 400 V AC-3 IEC motor rating.
- 100 A AC-1 operational current at 40 °C.
- 40 hp at 480 V three-phase motor rating.
- 80 A at 600 V AC UL/CSA general-use rating.
- Electronic coil interface with built-in surge suppression.
- Block-type construction for industrial panel installation.
Reliable Industrial Motor and Power Control
The ABB AF50-30-11 is designed primarily for controlling three-phase motors and industrial power circuits. Its three normally open main poles perform the power switching, while the factory-fitted 1 NO + 1 NC auxiliary contacts can support functions such as electrical interlocking, status signalling and control sequencing.
The electronic coil interface enables operation across a 20–60 V DC control range and incorporates surge suppression. When wiring this DC version, the specified coil polarity must be observed, with A1 connected to positive and A2 to negative.
Typical Applications
- Three-phase motor starters and control systems.
- Industrial machinery and production equipment.
- Motor control centres and electrical panels.
- Automation and process control systems.
- Industrial power-circuit switching.
- Control circuits requiring integrated auxiliary contacts.
Technical Specifications
| Series | AF50 |
|---|---|
| ABB order code | 1SBL357001R7211 |
| Product group | 311503-Contactors A Small (Frctl) |
| Product type | DC-operated contactor |
| Number of main poles | 3 |
| Main contact configuration | 3 NO |
| Fitted auxiliary contacts | 1 NO + 1 NC |
| Rated control circuit voltage | 20–60 V DC |
| IEC motor rating at 400 V AC-3 | 22 kW |
| Rated operational current, AC-1 at 40 °C | 100 A |
| UL/CSA three-phase motor rating at 480 V | 40 hp |
| UL/CSA general-use rating at 600 V AC | 80 A |
| Maximum power-circuit voltage | 690 V AC / 220 V DC |
| Coil technology | Electronic DC coil interface |
| Surge suppression | Built in |
| DC coil polarity | A1 positive / A2 negative |
| Net weight | approx. 1.22 kg |
| EAN | 3471522114723 |
Frequently Asked Questions
What is the ABB AF50-30-11 1SBL357001R7211 used for?
The ABB AF50-30-11 is a three-pole industrial contactor primarily used for controlling three-phase motors and power circuits in machinery, automation and electrical control systems.
What control voltage does the AF50-30-11 1SBL357001R7211 use?
This exact AF50-30-11 version uses a 20–60 V DC electronic control coil.
What auxiliary contacts are fitted to the ABB AF50-30-11?
The AF50-30-11 is supplied with 1 normally open and 1 normally closed auxiliary contact for control, signalling and interlocking functions.
What is the motor rating of the ABB AF50-30-11?
The AF50-30-11 has an IEC motor rating of 22 kW at 400 V AC-3 and a UL/CSA three-phase motor rating of 40 hp at 480 V.
What is the ABB order code for the AF50-30-11 20-60 V DC contactor?
The ABB order code for this AF50-30-11 20–60 V DC contactor is 1SBL357001R7211.
Trusted Industrial Switching from ABB
ABB AF contactors combine electronic coil technology, robust industrial construction and flexible auxiliary contact configurations to provide dependable motor and power-circuit switching for machinery, automation and control installations.
