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GJL1311911R8105 vb7a-30-10-85 400ac mini ABB Contactor 5.5kw
ABB GJL1311911R8105 VB7-30-10-85 mini reversing contactor with 220 to 250 V DC coil, 20 A operational current and 5.5 kW motor switching capability for industrial automation systems.
£72.94
Why Choose the ABB VB7A-30-10-85 Reversing Mini Contactor?
The ABB VB7A-30-10-85 (SKU: GJL1311911R8105) is a compact and highly reliable reversing mini contactor designed for safe forward and reverse control of three-phase motors in industrial automation systems. As part of the trusted ABB VB7A mini contactor series, it combines two mechanically interlocked contactors into a single compact unit, providing dependable motor reversing while reducing valuable control panel space.
Designed for machine builders, OEMs and panel manufacturers, the VB7A-30-10-85 delivers reliable switching performance with integrated mechanical interlocking and safety blocking to prevent simultaneous operation of both contactors. Silent coil technology, switch position indication and flexible DIN rail or wall mounting make installation and maintenance straightforward.
With a 5.5 kW AC-3 motor rating at 400 V, a 380-415 V AC control coil and a 3 NO + 1 NO contact configuration, the VB7A-30-10-85 is ideal for conveyors, pumps, fans, hoists, packaging machinery and other industrial equipment requiring dependable motor reversing.
Key Advantages
- Compact reversing mini contactor for industrial motor control.
- 5.5 kW AC-3 motor rating at 400 V.
- 380-415 V AC control coil.
- Integrated mechanical interlock with safety blocking.
- DIN rail or direct wall mounting capability.
- Reliable screw terminals for secure wiring connections.
Key Features
- ABB VB7A mini reversing contactor series.
- 5.5 kW motor rating (AC-3 @ 400 V).
- 20 A AC-1 rated operational current.
- 380-415 V AC 50/60 Hz control coil.
- 3 normally open main contacts.
- 1 normally open auxiliary contact.
- Mechanical interlock with integrated safety blocking.
- Silent coil with switch position indication.
Reliable Motor Reversing for Industrial Machinery
Reversing contactors enable safe forward and reverse operation of three-phase motors by mechanically preventing both contactors from energising simultaneously. This helps protect motors and control equipment while ensuring dependable directional control in industrial machinery.
The ABB VB7A series is widely specified by machine builders and industrial panel manufacturers thanks to its compact design, dependable performance, silent coil technology and long operational life in demanding environments.
Typical Applications
- Industrial conveyors.
- Material handling equipment.
- Pumps and ventilation systems.
- Packaging machinery.
- Hoists and lifting equipment.
- OEM machinery and industrial automation panels.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Poles | 3-pole | |
| Coil Voltage Range | 200–250 V | |
| Power | 5.5 kW | |
| Current | 20 A | |
| Voltage | 250 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Device Type | Reversing contactor | |
| Auxiliary Contacts | 1NO | |
| Coil Type | DC | |
| Series | VB7 Mini Reversing Contactors | |
| Product ID | GJL1311911R8105 | |
| Product type | Mini reversing contactor | |
| Rated operational current | 20 A | |
| Rated operational power AC-3 | 5.5 kW | |
| Control coil voltage | 220 to 250 V DC | |
| Main contacts | 3 NO | |
| Auxiliary contacts | 1 NO | |
| Rated operational voltage | Up to 690 V AC | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail or wall mounting | |
| Protection rating | IP20 | |
| Mechanical durability | Approx. 10 million operations | |
| Dimensions (H × W × D) | approx. 57.5 × 96.2 × 46.7 mm | |
| Weight | approx. 0.355 kg |
Frequently Asked Questions
What is the ABB VB7A-30-10-85 used for?
It is a reversing mini contactor designed to safely control the forward and reverse operation of three-phase motors in industrial automation systems.
What motor power can this contactor control?
It is suitable for motors up to 5.5 kW (AC-3 at 400 V).
What control voltage does the coil require?
The contactor operates using a 380-415 V AC control supply at 50/60 Hz.
Does it include a mechanical interlock?
Yes. The integrated mechanical interlock and safety blocking prevent simultaneous forward and reverse operation.
How is the contactor mounted?
The unit supports both DIN rail and direct wall mounting for easy installation in industrial control panels.
Trusted by Machine Builders Worldwide
ABB VB7A reversing contactors are trusted worldwide by OEMs, panel builders and automation engineers for dependable motor reversing, compact installation and long-term industrial reliability.
