Compact & Reliable DC Isolation for Solar PV Systems

The Santon D1-G1 2 Pole DC Isolator provides safe, efficient, and durable disconnection for photovoltaic (PV) installations. Built to comply with IEC 60947 certification, it ensures secure isolation between the DC/AC inverter and the solar array, protecting both system components and maintenance personnel.

Featuring Santon’s proven snap-action mechanism, an IP65-rated enclosure, and a padlockable black/red knob, this isolator is designed for long-term reliability in residential, commercial, and industrial solar applications.

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Key Features

• Flexible Current Ratings:

  • 16A at 1000V DC

  • 25A at 850V DC

  • Also suitable for 32A operation depending on configuration

• Proven Snap-Action Mechanism: Fast, safe, and reliable disconnection every time

• Rugged IP65 Enclosure: Dust-tight and water-resistant for outdoor and indoor use

• Safety Features:

  • Lid removable only in the OFF position

  • Black/red padlockable handle

  • Space for 2 safety seals

• Certified Quality: Fully IEC 60947 compliant

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Technical Specifications

• DC21 Current Ratings: 16A, 25A, 32A

• Voltage Rating: Up to 1000V DC

• Poles: 2 or 4 pole switching options

Mechanical & Environmental Data

• Protection Level: IP65 – safe for indoor and outdoor use

• Switch Handle: Black and red, padlockable

• Safety Seals: Space for 2 seals

• Enclosure: Lid removable in OFF position, grey insulated housing

• Operating Mechanism: Santon snap-action system

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Benefits 

The Santon D1-G1 is a compact yet powerful DC isolator that combines snap-action switching, rugged IP65 protection, and international certification for complete peace of mind. With its installer-friendly features and safety-first design, it is the perfect choice for ensuring compliance and reliability in UK solar PV installations.