Specifications

6
2.3 Safety Devices
(1) Motor brake
"Electro-Magnetic Brake" is of a unique design in its field. It features
simultaneous motor braking upon switching off power even under full load
condition.
(2) Mechanical load brake
The mechanical load brake can hold a full capacity load independent of motor
brake.
This brake assures that load does not accelerate while being lowered.
(3) Hook and hook latch
The hook is drop - forged from high tensile steel and heat treated for strength
and toughness. The bottom hook is capable of 360°swivel and fitted with
safety latch to ensure safe lifting.
(4) Phase error relay
The phase error relay circuit has been exclusively developed to prevent motor
from running when the phases are incorrectly connected.
(5) Limit Switches
Upper and lower limit switches are fitted for switching off power automatically
in case of over lifting or over lowering.
(6) Emergency stop device (optional)
This button is used to stop the hoist in an emergency situation. It is a red,
mushroom type button, located in the uppermost position on the pendant.
When pressed, power to the equipment is switched off and the button locks
automatically. Turning it to the right will release the lock and to enable
re-starting. (Illus. 1)
Illus. 1