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2 - PRODUCT OVERVIEW
2.1 - Description of the product
The MEWA gear motors are destined to be installed in systems for
the automation of gates with hinged doors.
The MEWA gear motors have been designed and constructed to be
fitted onto hinged doors within the weight limits indicated in the
2.2 - Model and technical characteristics
Code
Description
SN50DX
RIGHT articulated arm electromechanical irreversible gear motor for sash opening, 230 Vac.
SN50SX
LEFT articulated arm electromechanical irreversible gear motor for sash opening, 230 Vac.
RIGHT articulated arm electromechanical irreversible gear motor for sash opening, 24 Vdc, with already assembled
SN5024DX
opening and closing switch limit. Intensive use.
LEFT articulated arm electromechanical irreversible gear motor for sash opening, 24 Vdc, with already assembled opening
SN5024SX
and closing switch limit. Intensive use.
TECHNICAL DATA
MODELS
TECHNICAL SPECIFICATIONS
Torque
Working cycle
Opening time at 90°
Control board
Power supply
Absorption
Engine power
Capacitor
Thermoprotection
Degree of protection
Dimensions (L - P - H)
Weight
Operating temperature
Leaves maximum weight
3 - PRELIMINARY CHECKS
Before installing this product, verify and check the following steps:
- Check that the gate or door are suitable for automation
- The weight and size of the gate or door must be within the maximum
permissible operating limits specified in Fig. 2
- Check the presence and strength of the security mechanical stops
of the gate or door
- Check that the mounting area of the product is not subject to
flooding
- Conditions of high acidity or salinity or proximity to heat sources
could cause malfunction of the product
- Extreme weather conditions (for example the presence of snow,
ice, high temperature range, high temperatures) may increase the
friction and therefore the force required for the handling and initial
starting point may be higher than under normal conditions.
10
technical specifications table.
The use of gear motors for applications which differ from those
indicated above is prohibited.
SN50DX
Nm
400
%
30
sec
18
CT202
Vac (Vdc)
230
A
1,5
W
340
12
µF
°C
150
IP
43
mm
Kg
14
°C
Kg
800
- Check that the manual operation of gate or door is smooth and
friction-free and there is no risk of derailment of the same
- Check that the gate or door are in equilibrium and stationary if left
in any position
- Check that the power line to supply the product is equipped with
proper grounding safety and protected by a magnetothermal and
differential security device
- Provide the power system with a disconnecting device with a gap
of contacts enabling full disconnection under the conditions dictated
by the overvoltage category III.
- Ensure that all materials used for the installation comply with
current regulations
SN50SX
SN5024DX
400
350
30
80
18
adjustable
CT202
14AB2
230
(24)
1,5
5
340
120
12
-
150
-
43
43
330 - 187 - 157
14
13,8
-20°+55°
800
400
SN5024SX
350
80
adjustable
14AB2
(24)
5
120
-
-
43
13,8
400
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