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Trapped Key Interlock Products
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Mechanical Bolt Interlocks

Bolt Interlocks are widely used for the interlocking of switchgear. The bolt is often used for the physical blocking of levers or rotary switches via a cam mechanism.

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Control Power Isolation Interlocks

Key switches provide power isolation ranging from 20 amps safety circuits through disconnects up to 250 amps.

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Valve Interlock

Keys and dust caps for different application functions and environments.

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Main Power Isolation Interlocks

Key driven switch disconnector availible for the isolation or switching of 32, 63,125,160 or 250 amps systems.

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Access Interlocks

Access Interlocks provide a trapped key method of obtaining access to numerous types of doors, hatches and panels.

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Solenoid Controlled Interlocks

Heavy duty Solenoid Controlled Trapped Key Interlock ideal to control access to hazardous machines with run down time.

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Time Delay Units

Motor driven machinery and other systems with run down times do not provide a safe area at the instant of power isolation.

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Motion Sensing Units

Motor driven machinery and other systems with run down times do not provide a safe area at the instant of power isolation.

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Key Exchange Units

Key Exchange Units provide additional keys for when there are a greater number of access locks than number of keys from power isolation.

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Keys and Caps

Keys and dust caps for different application functions and environments.

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