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KSF225DP Fireman switch
ABB KSF225DP 2-pole fireman switch with IP65 silumin aluminium enclosure, 25 A rating and padlockable handle for photovoltaic systems and emergency electrical isolation.
£97.68
Why Choose the ABB 2CMA142435R1000 Fireman Switch?
The ABB 2CMA142435R1000 is a robust 2-pole enclosed fireman switch designed to provide safe isolation of single-phase electrical circuits. Part of ABB's reliable KSF fireman switch range, it is specifically developed for photovoltaic (PV) systems and other applications requiring emergency electrical isolation.
Manufactured with a rugged silumin aluminium enclosure, the KSF225DP offers outstanding durability and weather resistance. Its IP65-rated enclosure, interlocked cover and padlockable black side-operated handle provide reliable protection against dust and water ingress while supporting safe maintenance and emergency isolation procedures.
Rated at 25 A with an operational voltage of up to 690 V AC, the ABB KSF225DP is ideal for isolating photovoltaic installations, inverter supplies, commercial electrical systems and industrial equipment. The enclosure includes threaded cable entries together with fixed neutral and PE terminals for straightforward installation.
Key Advantages
- Heavy-duty 2-pole enclosed fireman switch.
- 25 A switching capacity for reliable circuit isolation.
- Durable IP65 silumin aluminium enclosure.
- Padlockable side-operated handle with interlocked cover.
- Designed for indoor and outdoor installations.
- Ideal for photovoltaic systems and emergency isolation applications.
Key Features
- ABB KSF Fireman Switch series.
- Model KSF225DP.
- Order code 2CMA142435R1000.
- 2-pole switch disconnector.
- 25 A rated current.
- 690 V AC maximum operating voltage.
- IP65 silumin aluminium enclosure.
- Black padlockable side-operated handle.
- Interlocked enclosure cover.
- PE terminal and fixed neutral terminal supplied.
- 2 × M25 threaded cable entries top and bottom.
- Suitable for photovoltaic fireman switch installations.
Reliable Emergency Isolation for Electrical Installations
Fireman switches provide a clearly identifiable means of disconnecting electrical power during emergency situations, maintenance work or servicing. They are commonly installed alongside photovoltaic systems and other electrical installations where rapid isolation is required for safety.
The ABB KSF225DP combines a rugged aluminium enclosure with dependable switching performance, making it suitable for demanding industrial, commercial and renewable energy installations requiring long-term reliability.
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 | 2.2 kW | |
| Current | 25 A | |
| Phase | Single Phase | |
| IP Rating | IP65 | |
| Poles | 2-pole | |
| Manufacturer | ABB | |
| Series | KSF Fireman Switches | |
| Model | KSF225DP | |
| Order number | 2CMA142435R1000 | |
| Product type | Enclosed fireman switch | |
| Rated current | 25 A | |
| Maximum operating voltage | 690 V AC | |
| Number of poles | 2 | |
| Protection rating | IP65 | |
| Enclosure material | Silumin aluminium alloy | |
| Handle colour | Black | |
| Cable entries | 2 × M25 top / 2 × M25 bottom | |
| Terminal type | Screw clamp | |
| Mounting type | Surface mounting | |
| Dimensions (H × W × D) | Approx. 130 × 111 × 60 mm | |
| Weight | Approx. 0.57 kg |
Frequently Asked Questions
What is the ABB 2CMA142435R1000 used for?
It is designed to safely isolate electrical circuits during emergencies, maintenance and servicing, particularly within photovoltaic installations.
How many poles does this fireman switch have?
The ABB KSF225DP is a 2-pole enclosed fireman switch for single-phase electrical systems.
Is the enclosure suitable for outdoor installation?
Yes. The silumin aluminium enclosure is rated IP65, making it suitable for indoor and outdoor installations when correctly installed.
Can the operating handle be locked?
Yes. The side-operated handle is padlockable and the enclosure features an interlocked cover for enhanced operator safety.
Where is this fireman switch commonly installed?
It is commonly installed on photovoltaic systems, commercial buildings, industrial facilities and renewable energy installations requiring reliable emergency isolation.
Trusted by Electrical Professionals Worldwide
ABB fireman switches are trusted by electrical contractors, renewable energy installers and industrial engineers for providing dependable emergency isolation, robust construction and long-term operational reliability.
