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IMO SI25-PEL64R-2 Enclosed DC Switch IP67 Nema 4X 2 Pole 1 String 25A 700VDC Lockable Rotary Handle

IMO SI25-PEL64R-2 Enclosed DC Switch IP67 Nema 4X 2 Pole 1 String 25A 700VDC Lockable Rotary Handle

SKU: SI25-PEL64R-2Alt SKU: SI25PEL64R2MPN: SI25-PEL64R-2
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List Price £94.08 ex VAT
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Why Choose the IMO SI25-PEL64R-2 DC Isolator Switch?

The IMO SI25-PEL64R-2 is a high-performance enclosed DC isolator switch designed for safely disconnecting photovoltaic (PV) arrays and other DC power systems. Manufactured by IMO Precision Controls, this True DC isolator is specifically engineered for solar energy installations, providing reliable isolation between photovoltaic panels and inverters.

Unlike AC switches adapted for DC use, the SI25-PEL64R-2 is purpose-built for DC switching, incorporating a high-speed switching mechanism, arc suppression technology and robust safety features. Its weather-resistant enclosure and compact design make it suitable for demanding indoor and outdoor installations.

With a 25 A current rating, 2-pole configuration and IP66-rated enclosure, the SI25-PEL64R-2 is ideal for residential, commercial and industrial solar PV systems requiring dependable DC isolation in accordance with recognised electrical installation standards.

Key Advantages

  • Purpose-built True DC isolator switch for photovoltaic applications.
  • 25 A rated current for reliable DC circuit isolation.
  • 2-pole single string configuration for solar installations.
  • IP66 weatherproof enclosure suitable for indoor and outdoor environments.
  • Lockable rotary handle enhances maintenance safety.
  • Compact non-metallic enclosure simplifies installation.

Key Features

  • IMO SI25 Series True DC Isolator.
  • 25 A rated thermal current.
  • 600 V DC rated operation (application dependent).
  • 2-pole configuration for single-string PV systems.
  • High-speed operator-independent switching mechanism.
  • Arc cooling chambers and knife-edge contacts for enhanced safety.
  • Lockable OFF rotary actuator.
  • IP66 UV-resistant enclosure with M25 cable gland entries.

Reliable DC Isolation for Solar Installations

The IMO SI25-PEL64R-2 provides safe isolation of DC circuits during installation, maintenance and emergency shutdown procedures. Its purpose-designed DC switching mechanism minimises arcing and delivers dependable performance throughout the lifetime of photovoltaic systems.

Engineered specifically for renewable energy applications, this isolator complies with recognised industry standards and is widely specified by solar installers, electrical contractors and renewable energy professionals.

Typical Applications

  • Residential solar PV systems.
  • Commercial photovoltaic installations.
  • Industrial renewable energy systems.
  • Battery storage and DC distribution.
  • Solar inverter isolation.
  • Electrical maintenance and safety isolation.

Technical Specifications

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Mounting Type Enclosed / surface
Device Type Enclosed safety switch / isolator
Product Series IMO SI
Supply Type DC
Current 25 A
Voltage 700 V
IP Rating IP67
Poles 2-pole
Manufacturer IMO Precision Controls
Series SI25 Solar Isolators
Model SI25-PEL64R-2
Product type Enclosed DC isolator switch
Rated current 25 A
Rated voltage Up to 600 V DC (configuration dependent)
Number of poles 2
Number of strings 1
Protection rating IP66
Enclosure Non-metallic, self-extinguishing plastic
Mounting type Surface / wall mounting
Handle type External rotary actuator, lockable OFF
Cable entry M25
Dimensions (H × W × D) approx. 180 × 98 × 107 mm
Weight approx. 0.43 kg
HS Code 8536508000
Country of Manufacture Austria

Frequently Asked Questions

What is the IMO SI25-PEL64R-2 used for?

It is used to safely isolate DC circuits in photovoltaic solar installations and other DC power systems during maintenance or emergency shutdown.

Is this a true DC isolator?

Yes. The SI25-PEL64R-2 is specifically engineered for DC switching and is not an AC switch adapted for DC operation.

Can this isolator be installed outdoors?

Yes. Its robust IP66-rated enclosure provides excellent protection against dust and water ingress, making it suitable for outdoor installations.

How many PV strings does this model support?

This model is designed for one photovoltaic string using a 2-pole switching configuration.

Can the switch be locked in the OFF position?

Yes. The rotary handle features a lockable OFF position to improve operator safety during maintenance and servicing.

Trusted by Solar Professionals Worldwide

IMO True DC isolator switches are trusted by renewable energy installers, electrical contractors and OEM manufacturers for delivering safe, dependable isolation in photovoltaic and DC power applications.

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