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KSF325TPN Fireman switch
ABB KSF325TPN 3-pole fireman switch with IP65 silumin aluminium enclosure, 25 A AC-22A rating, 16 A AC-23A rating and 7.5 kW motor switching capacity for photovoltaic and emergency isolation applications.
£102.67
Why Choose the ABB 2CMA142436R1000 Fireman Switch?
The ABB 2CMA142436R1000 is a robust 3-pole enclosed fireman switch designed to provide safe and reliable isolation of three-phase electrical circuits during emergency situations and maintenance. Part of ABB's proven KSF fireman switch range, the KSF325TPN is specifically engineered for photovoltaic (PV) installations, commercial buildings and industrial applications where dependable emergency isolation is essential.
Manufactured from a heavy-duty silumin aluminium enclosure with UV-resistant paint, the switch offers exceptional durability for indoor and outdoor installations. Its IP65-rated enclosure, interlocked cover and specialist black side-operated handle are designed for rapid emergency operation while providing excellent protection against dust and water ingress. Threaded cable entries allow straightforward installation using compression glands where full IP65 protection is required.
Rated at 25 A AC-22A and 16 A AC-23A at 415 V AC with a motor switching capacity of up to 7.5 kW, the ABB KSF325TPN is ideal for photovoltaic systems, inverter isolation, industrial machinery, HVAC equipment and commercial electrical installations requiring reliable emergency disconnection.
Key Advantages
- Heavy-duty 3-pole enclosed fireman switch.
- 25 A AC-22A / 16 A AC-23A switching capability.
- Robust IP65 silumin aluminium enclosure.
- Specialist fireman operating handle with interlocked cover.
- Suitable for indoor and outdoor installations.
- Ideal for photovoltaic systems and emergency electrical isolation.
Key Features
- ABB KSF Fireman Switch series.
- Model KSF325TPN.
- Order code 2CMA142436R1000.
- 3-pole switch disconnector.
- 25 A AC-22A rating.
- 16 A AC-23A motor duty rating.
- 7.5 kW motor switching capacity at 415 V AC.
- IP65 silumin aluminium enclosure.
- Black specialist side-operated fireman handle.
- Interlocked enclosure cover.
- Fixed neutral terminal and PE terminal included.
- 2 × M25 threaded cable entries top and bottom.
Reliable Emergency Isolation for Photovoltaic and Industrial Installations
Fireman switches provide a clearly identifiable means of disconnecting electrical supplies during emergency situations, allowing emergency services and maintenance personnel to safely isolate electrical installations. They are widely used within photovoltaic systems and commercial buildings where rapid isolation is required.
The ABB KSF325TPN combines rugged aluminium construction with dependable ABB switching technology, making it an excellent choice for renewable energy installations, industrial environments and commercial electrical systems requiring reliable emergency isolation.
Typical Applications
- Photovoltaic (PV) installations.
- Solar inverter isolation.
- Commercial electrical systems.
- Industrial machinery isolation.
- Building services and HVAC equipment.
- Renewable energy installations.
Technical Specifications
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| Material | Aluminium | |
|---|---|---|
| Device Type | Enclosed switch disconnector | |
| Power | 7.5 kW | |
| Current | 25 A | |
| Phase | Three Phase | |
| IP Rating | IP65 | |
| Poles | 3-pole | |
| Manufacturer | ABB | |
| Series | KSF Fireman Switches | |
| Model | KSF325TPN | |
| Order number | 2CMA142436R1000 | |
| Product type | Enclosed fireman switch | |
| Rated current (AC-22A) | 25 A | |
| Rated current (AC-23A @ 415 V) | 16 A | |
| Motor switching capacity | 7.5 kW | |
| Maximum operating voltage | 690 V AC | |
| Number of poles | 3 | |
| Protection rating | IP65 | |
| Enclosure material | Silumin aluminium alloy | |
| Cable entries | 2 × M25 top / 2 × M25 bottom | |
| Neutral terminal | Fixed | |
| Protective earth terminal | Included | |
| Mounting type | Surface mounting | |
| Dimensions (H × W × D) | 130 × 111 × 60 mm | |
| Weight | Approx. 0.6 kg |
Frequently Asked Questions
What is the ABB 2CMA142436R1000 used for?
It provides emergency isolation of three-phase electrical circuits, particularly within photovoltaic systems and commercial electrical installations.
How many poles does this fireman switch have?
The ABB KSF325TPN is a 3-pole enclosed fireman switch designed for three-phase electrical systems.
Is it suitable for outdoor installation?
Yes. The rugged silumin aluminium enclosure is rated IP65, making it suitable for indoor and outdoor use when installed with appropriate cable glands.
Does this switch include auxiliary contacts?
No. This model is supplied without auxiliary contacts, although the enclosure supports a maximum of one optional NO auxiliary contact.
Where is this fireman switch commonly installed?
It is commonly installed on photovoltaic systems, renewable energy installations, commercial buildings and industrial facilities requiring dependable emergency electrical isolation.
Trusted by Electrical Professionals Worldwide
ABB fireman switches are trusted by renewable energy installers, electrical contractors and industrial engineers for delivering dependable emergency isolation, robust construction and long-term reliability in demanding environments.
