K&N Single String DC Switch Disconnector – Durable, IP66/67 Protected
#2: KG32B-T106D Switches - DC Isolators
Reliable DC Switch Disconnector for Solar Installations
The Kraus & Naimer KG32B-T106D Single String DC Switch Disconnector is a durable, high-performance switch designed for safe DC isolation in solar PV systems and other DC applications. With its IP66/67-rated enclosure, padlockable handle, and Class II compliance, this isolator ensures maximum safety and long-term reliability.
Ideal for residential, commercial, and industrial solar systems, this 2-pole DC switch is interlocked with the lid to prevent opening in the “ON” position, providing an extra layer of protection during maintenance or servicing.
Key Benefits
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High Voltage & Current Ratings:
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27A at 800V DC
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25A at 1000V DC
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IP66/67 Protection: Dust-tight and water-resistant for outdoor and indoor installations.
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Lockable Safety: Black/Grey padlockable handle – lockable in the OFF position.
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Class II Insulated Enclosure: Grey insulated plastic housing for full operator safety.
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Lid Interlock Mechanism: Prevents opening when the switch is in the “ON” position.
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High Temperature Resistance: Rated for continuous operation up to 50°C ambient.
Technical Specifications
Electrical Ratings
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Rated Current: 27A at 800V DC / 25A at 1000V DC
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Poles: 2 pole (single string)
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Contact Development: 6 contacts per circuit (2 × 3 in series)
Mechanical & Environmental Data
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Protection: IP66 / IP67
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Handle: Black, padlockable (OFF position lockable)
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Plate Backing: Grey
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Enclosure Material: Grey insulated plastic, totally insulated
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Ambient Temperature Range: Up to +50°C
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Cable Entry: M20 / M25 knockouts
Dimensions
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Width: 100 mm
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Height: 178 mm
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Depth: 93 mm
Why Choose the Kraus & Naimer KG32B-T106D DC Switch Disconnector?
This rugged, safety-focused DC isolator is engineered to provide reliable performance in demanding PV installations. Its lockable handle, interlocked lid mechanism, and weatherproof enclosure make it an essential component for maintaining safety and compliance in UK solar systems.