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LBAS390TPN Safety switch
ABB LBAS390TPN enclosed 3-pole safety switch rated at 90 A with an IP65 aluminium enclosure for industrial electrical isolation.
£255.01
Why Choose the ABB 2CMA142629R1000 LBAS390TPN Safety Switch?
The ABB 2CMA142629R1000, also known as the LBAS390TPN, is a robust 3-pole enclosed safety switch designed for reliable switching, isolation and protection of low-voltage electrical circuits. Part of the trusted ABB enclosed safety switch range, it is engineered for industrial environments where dependable performance, operator safety and long service life are essential.
Housed in a durable polyester-coated die-cast aluminium enclosure, the LBAS390TPN offers excellent mechanical strength and corrosion resistance while providing an IP65 protection rating when installed with suitable compression cable glands. The switch features an interlocked, padlockable operating handle, helping prevent unauthorised operation during maintenance and improving workplace safety.
With a rated operational current of 90 A and a maximum operational voltage of 690 V AC, the LBAS390TPN is ideal for isolating motors, machinery and industrial power distribution circuits. It is supplied complete with one normally open auxiliary contact together with neutral and PE terminals for straightforward installation.
Key Advantages
- Heavy-duty 3-pole enclosed safety switch for industrial electrical isolation.
- 90 A rated operational current with operation up to 690 V AC.
- IP65 aluminium enclosure suitable for demanding industrial environments.
- Padlockable operating handle with integrated cover interlock.
- Supplied with 1 NO auxiliary contact, neutral and PE terminals.
- Excellent corrosion resistance for long-term reliability.
Key Features
- ABB enclosed safety switch series.
- LBAS390TPN model.
- 90 A rated operational current.
- 690 V AC maximum operational voltage.
- 3-pole switch disconnector.
- Die-cast aluminium enclosure with polyester coating.
- IP65 ingress protection.
- Padlockable black operating handle with cover interlock.
- One normally open auxiliary contact included.
- Neutral and PE terminals supplied.
Reliable Electrical Isolation for Industrial Installations
Enclosed safety switches provide a visible means of disconnecting electrical equipment from the power supply, allowing maintenance and servicing to be carried out safely. They are widely used to isolate motors, conveyors, pumps, HVAC equipment and industrial machinery where dependable switching and operator safety are critical.
The ABB LBAS390TPN combines a rugged aluminium enclosure with dependable switching performance and a compact design, making it well suited to demanding industrial, commercial and infrastructure installations.
Typical Applications
- Industrial machinery isolation.
- Motor control centres.
- Manufacturing facilities.
- HVAC systems.
- Pumps and compressors.
- Commercial and industrial power distribution.
Technical Specifications
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| Material | Aluminium | |
|---|---|---|
| Device Type | Enclosed safety switch / isolator | |
| Power | 45 kW | |
| Current | 90 A | |
| Phase | Three Phase | |
| IP Rating | IP65 | |
| Poles | 3-pole | |
| Manufacturer | ABB | |
| Series | Enclosed Safety Switches | |
| Product ID | 2CMA142629R1000 | |
| Model | LBAS390TPN | |
| Product type | Enclosed safety switch | |
| Rated operational current | 90 A | |
| Maximum operational voltage | 690 V AC | |
| Maximum motor rating (AC-23A 415 V) | 45 kW | |
| Number of poles | 3 | |
| Enclosure material | Die-cast aluminium | |
| Protection rating | IP65 | |
| Auxiliary contacts supplied | 1 NO | |
| Handle | Black, padlockable | |
| Neutral and PE terminals | Included | |
| Cable entries | 2 × M40 top / 2 × M40 bottom + 1 × M16 | |
| Dimensions (H × W × D) | 230 × 160 × 118 mm | |
| Weight | approx. 1.75 kg | |
| Standard | IEC 60947-3 |
Frequently Asked Questions
What is the ABB 2CMA142629R1000 used for?
It is used for safely switching and isolating electrical circuits in industrial and commercial low-voltage installations.
What is the rated current of this safety switch?
The ABB LBAS390TPN has a rated operational current of 90 A.
Is the enclosure suitable for outdoor use?
Yes. The aluminium enclosure provides IP65 protection when installed using suitable compression cable glands.
Can the operating handle be padlocked?
Yes. The handle can be padlocked to prevent unauthorised operation during maintenance and can also be locked in the ON position if required.
What auxiliary contact is supplied?
The switch is supplied complete with one normally open (1 NO) auxiliary contact.
Trusted by Electrical Professionals Worldwide
ABB enclosed safety switches are trusted by electrical engineers, panel builders and industrial maintenance professionals for dependable isolation, robust construction and long-term operational reliability.
