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1SBL357010R7200 ABB AF50-30-00RT 20–60 V DC Contactor
ABB AF50-30-00RT 1SBL357010R7200 is a 3-pole contactor with 3 NO main contacts, ring-tongue terminals, a 20–60 V DC electronic coil and a 22 kW AC-3 rating at 400 V for industrial and rolling-stock switching applications.
£313.37
Why Choose the ABB AF50-30-00RT 20–60V DC Contactor?
The ABB AF50-30-00RT, order code 1SBL357010R7200, is a robust 3-pole block contactor designed primarily for controlling three-phase motors and industrial power circuits. This exact version features ABB's electronic coil interface with a wide 20–60 V DC rated control circuit range, making it suitable for equipment with low-voltage DC control systems.
The AF50-30-00RT provides 3 normally open main contacts and no built-in auxiliary contacts. It delivers a rated operational power of 22 kW AC-3 at 400 V and an AC-1 current rating of 100 A at 40 °C, while its main circuit can be used for power circuits up to 690 V AC and 220 V DC.
Designed for demanding applications including rolling stock, the RT version features ring-tongue terminals for secure electrical connections. ABB's electronic coil technology provides low power consumption, distinct opening and closing behaviour, quiet operation and resilience to short control-voltage interruptions, supporting dependable switching in industrial and transportation equipment.
Key Advantages
- Wide-range 20–60 V DC electronic control coil.
- 22 kW AC-3 three-phase motor rating at 400 V.
- 100 A AC-1 current rating at 40 °C.
- 3 normally open main contacts for three-phase power switching.
- Ring-tongue terminals for secure electrical connections.
- Electronic coil interface provides reduced power consumption and quiet operation.
- Designed to withstand short control-voltage interruptions and voltage dips.
- Suitable for industrial and rolling-stock applications.
Key Features
- ABB AF50-30-00RT block contactor.
- 3-pole configuration.
- 3 NO main contacts.
- 0 NO + 0 NC built-in auxiliary contacts.
- 20–60 V DC rated control circuit voltage.
- IEC 60077 control-supply values of 24, 33 and 48 V DC.
- Electronic DC coil interface.
- Controls power circuits up to 690 V AC and 220 V DC.
- 1000 V IEC rated insulation voltage.
- 8 kV rated impulse withstand voltage.
- Compatible with front- and side-mounted ABB auxiliary contact blocks.
Wide-Range DC Control for Industrial and Rolling-Stock Systems
The AF50-30-00RT uses ABB's electronic coil interface to provide reliable operation across a broad 20–60 V DC control range. This range includes common IEC 60077 supply voltages of 24, 33 and 48 V DC, making the contactor particularly useful in transportation and industrial systems where DC control supplies can vary substantially during operation.
ABB's AF electronic coil technology can manage large control-voltage variations while reducing power consumption and providing quiet, clearly defined switching. The contactor can also withstand short control-supply interruptions or voltage dips of up to approximately 20 ms, helping maintain reliable operation in electrically demanding installations.
Typical Applications
- Three-phase motor control.
- Rolling-stock electrical equipment.
- Railway auxiliary systems.
- Industrial motor starters.
- Pumps, fans and conveyor systems.
- Industrial machinery and automation panels.
- Lighting and general power-circuit switching.
- Equipment using 24, 33 or 48 V DC control supplies.
Technical Specifications
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| Terminal Type | Ring tongue | |
|---|---|---|
| Series | AF | |
| ABB order code | 1SBL357010R7200 | |
| Product type | 3-pole block contactor | |
| Number of poles | 3 | |
| Main contacts | 3 NO | |
| Built-in auxiliary contacts | 0 NO + 0 NC | |
| Rated control circuit voltage | 20–60 V DC | |
| IEC 60077 control supply voltages | 24, 33, 48 V DC | |
| Rated operational power AC-3 at 400 V | 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 | |
| Rated insulation voltage | 1000 V IEC / 600 V UL/CSA | |
| Rated impulse withstand voltage | 8 kV | |
| Terminal type | Ring-tongue terminals | |
| Terminal protection | IP10 | |
| Mounting | DIN rail or screw mounting | |
| DIN rail compatibility | TH35-15 / TH75-25 | |
| Dimensions (W × H × D) | 70 × 110 × 108 mm | |
| Net weight | 1.18 kg | |
| EAN / GTIN | 3471522245120 |
Frequently Asked Questions
What is the ABB AF50-30-00RT 1SBL357010R7200?
The ABB AF50-30-00RT is a 3-pole block contactor with three normally open main contacts, ring-tongue terminals and a wide-range electronic DC coil.
What control voltage does the AF50-30-00RT 1SBL357010R7200 use?
This exact version has a rated control circuit voltage of 20–60 V DC and supports IEC 60077 control-supply values of 24, 33 and 48 V DC.
What is the motor rating of the ABB AF50-30-00RT?
The AF50-30-00RT provides a rated operational power of 22 kW AC-3 at 400 V for three-phase motor applications.
What terminals does the AF50-30-00RT use?
The RT version is equipped with ring-tongue terminals, providing secure electrical connections for demanding industrial and transportation applications.
What is the ABB order code for the AF50-30-00RT 20–60 V DC contactor?
The ABB order code for this exact AF50-30-00RT 20–60 V DC contactor is 1SBL357010R7200.
ABB AF Contactor Technology for Demanding DC Control Systems
ABB AF..RT contactors combine wide-range electronic DC control, robust three-pole switching and secure ring-tongue connections for dependable operation in industrial and rolling-stock electrical systems.
