Low Voltage BT BOX


Repar2 low voltage BT Box with emergency stop button and keyed option.

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Product Technical Information (without key)
Product Technical Information (with key)



Our Repar2 low voltage BT boxes are now available with or without a key release emergency stop button.

Key release version:

When the emergency stop button is pressed it latches in and can only be released when the key is inserted and turned. This can be used to prevent the use of a machine if the emergency stop button is pressed and the key is removed and taken away. The machine is not isolated and so the BT box cannot be used as part of a lock-out tag-out procedure, but it does stop the machine being switched back on without the key. The locking key will also allow for an investigation in the event of unscheduled e-stop activation. During normal operation the key should be removed unless being used to reset the emergency stop button.

The new locking BT boxes are ideal for companies, schools or colleges that want to control the use of machines as only designated personnel with keys can reset the emergency stop circuit. This function is dependent upon somebody pressing the button every time the machine is left and control of who has the key.

All three models in both the standard latching e-stop and key lock latching e-stop ranges feature stop and start membrane push button switches. The boxes are 170mm long x 118mm wide and up to 82mm deep.

All models are CE marked and comply with the Low Voltage Directive 2006/95/EC, the Machinery Directive 2006/42/EC and Electromagnetic Compatibility 2004/108/EC.

Safety reliability level:

B10d = 20,000,000 cycles contactor with a mechanical load and
B10d = 1,369,863 cycles contactor with a nominal load conforming to BS EN ISO 13849-1:2015 Safety of machinery. Safety-related parts of control systems. General principles for design.

Mechanical durability: 15 million cycles.

Operating rate: 3600 cycles/hour at <=60 degrees centigrade.

Operating time: 4…19ms opening / 12…22ms closing. 

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