6 – English
NOTE: all the technical characteristics indicated refer to a temperature falling between -5°C and +40°C. • Nice reserves the right to
change all the modifications to the product it deems necessary at any time, but keeping the functions and intended use unaltered.
We recommend using 20 rpm gearmotors for doors with vertical movement with conical cable winder drum.
We recommend using RDF, RDLF gearmotors with external parachute device for unbalanced sectional doors.
When assembling gearmotors with 31.75 mm diameter shaft from the left, the tab is to be blocked only with a shoulder collar
because fixing with a screw could break the shaft.
Only suspended assembly is allowed for "light chain" gearmotors (fig. 4).
TECHNICAL SPECIFICATIONS
*1 for balanced doors having 1-2 springs with a 160 mm diameter cable winder drum. Observe the permitted cable forces!
ANNUAL CHECK
Information for whoever carries out the checks
Gearmotor:
The mechanism is maintenance-free and it is provided with
permanent lubrication. Absolutely no rust must form on the output
shaft.
Fixings:
Make sure that the fixing screws are all in the correct position and
in perfect condition.
Balancing by weights (e.g. in the sectional main doors):
The door must be balanced in all the positions (see the door
assembly instructions) when balancing is done with weights
according to the procedures prescribed by the standards.
Brake (if present):
During the annual check perfect brake operation is to be ascertained.
In the case of heavy wear of the brake pads, it is necessary to
replace the complete brake. Before replacement, disconnect the
cables connected to the electric card.
BGR 232 directive "Windows, doors and main doors with mechanical
operation" is applied. It can be obtained from the National Insurance
Institute for Industrial Accidents of your trade association or from us
on request.
Maintenance interventions on windows, doors and main doors
with mechanical operation must be performed only by personnel
authorised by the company, having the necessary experience and
skills (BGR 232).
Technical data
SDL-0.37-20-KU
SDEL-0.37-20
SDL-0.37-20-KE2
SDL-0.37-20-KE
SWL-0.20-20-KU
SWL-0.20-20-KE
SWEL-0.20-20
SDL-0.37-24-KU
SDEL-0.37-24
SDL-0.37-24-KE2
SDL-0.37-24-KE
SDL-0.55-20-KU
SDEL-0.55-20
SDL-0.55-20-KE2
SDL-0.55-20-KE
Hollow shaft diameter
mm
25,4 25,4 25,4
25.4 - 31.75
Output torque
Nm
120 70 100 140
Static Torque / Holding Torque
Nm
230 230 230 440
Door weight up to about *1
kg
540 360 450 600
Output rpm
min
-
20 20 24 20
Electric motor power
KW
0,37 0,20 0,37 0,55
Working voltage
V3
~
230/400V
1~230V 3~230/400V 3~230/400V
Frequency
Hz
50 50 50 50
Nominal current
A 3.45/2.0
3,1
2.6/1.5 3.45/2.0
Control voltage
V
24 24 24 24
Service factor of the electric motor
ED S3 - 60% S3 - 20% S3 - 60% S3 - 60%
Power supply cable section
mm
5x1.5 5x1.5 5x1.5 5x1.5
Line fuse trip current
A 10 (delayed) 10 (delayed) 10 (delayed) 10 (delayed)
Limit switch rpm
min
-
15 15 15 15
Working temperatures
°C -5° ….+40° -5° ….+40° -5° ….+40° -5° ….+40°
Noise
dB (A) <70 <70 <70 <70
Protection rating
IP
54 54 54 54
Weight
kg
11,5 11,3 11 12
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