NORD Drivesystems B1000 - Manual (Page 739)

www.nord.com G737 G1000 – Subject to Change Without Notice
BRAKES
Hand Release Lever (HL)
The hand release option allows the brake to be
manually released without requiring that the brake
be energized with voltage. The lever has a spring
return that allows the brake to be hand released and
returned automatically to its set position. The hand
release lever can be unscrewed for easy removal.
Locking Hand Release Lever (FHL)
This option allows the brake to be manually released
and locked off without requiring voltage to the
brake. The lock mechanism prevents the spring from
returning the brake to a closed state without manual
action by the user. The hand release lever can be
unscrewed for easy removal.
Hand Release Lever With Hole (HLH)
The hand release levers can be provided with a 5.5mm
through hole. The hole can be used for attaching
external pulling devices such as a cord to release the
brake at a distance. This option is available for brake
sizes BRE5 to BRE60.
Corrosion Protected Brake (RG)
The brake is fi tted with a stainless steel brake plate
to provide additional corrosion protection in severe
and wet environments.
Dust & Corrosion
Protected Brake (SR)
A rubber-sealing boot is installed on the brake to
provide additional protection in dusty environments.
This feature includes the stainless steel brake plate
(RG).
IP66 Brake Enclosure (IP66)
A sealed brake with IP66 enclosure protection can
also be provided. This brake has a different mechan-
ical housing that provides a higher degree of protec-
tion against severe environments.
Brake Heating / Bifi lar Coil (BSH)
Brakes can be provided with a circuit to heat the brake
while the motor and brake are inactive (at rest). This
is accomplished via a second coil in winding in the
brake. This coil is opposite in polarity (bifi lar) as the
main bake coil so when current passes through both
coils, no net magnetic fi eld is created – only heat.
Warning – Heating the brake with full operation
voltage is only possible at temperatures below
freezing (32°F / 0°C). If heating is also required above
freezing then reduced operating voltage is required.
Dust Boot
Stainless Steel
Brake Plate
Mod
Mod
Build
Build
Build
Build
Build
Options
? Hand Release Lever Location
Required for HL, FHL and HLH
€
Position 1
€
Position 2
€
Position 3
€
Position 4
Position 1
Position 2
Position 4
Position 3