nader NDW3 Series Manual page 71

NDW3-6300
NDW3-7500
4.6.2 Safety lock
When the handle of safety lock is put the padlock, the product can be locked in opening state, and the product cannot be
closed. Only when all padlocks are unlocked can the product be closed. The proper diameter for anchor beam is 5mm when
the padlocks range from one to three, or the proper diameter for anchor beam is 5mm when the padlocks range from one to
two. Safety lock is only suitable for 2500 and above frames.
You can choose from safety lock and off-position key lock, and the two have the same installation center position. The size
of safety lock can refer to off-position key lock.
When choose safety lock, this accessory will be delivered to clients when the ACB is assembled. And because the safety
lock is bulge on the mask, therefore, when installation people open power distribution cabinet, attention should be paid to
the bulge size. This size diagram and data are shown below.
4.6.3 Button lock
◆ To be used with a padlock, it is used to prevent non-staff from illegally operating the
opening/closing button (padlock should be prepared by users).
◆ When the off-position lock is optionally selected, this accessory is sent to the user after being
assembled with the circuit breaker. As
the off-position lock protrudes out of the circuit breaker cover, the installer shall pay attention to
the protruding dimension when opening the power distribution cabinet door.
This dimension diagram and data are as follows.
Mounting plate
of the circuit
Internal & confidential file
File No.:NDT2920202
Mask centerline
of the circuit
Fixed
第 71 页 共 149 页
Mounting plate
of the circuit
File Version:4