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Installation and Connection
SRW 01 | 3-1
3
3 INSTALLATION AND CONNECTION
This chapter describes the procedures for the electrical and mechanical installation of the SRW 01. The orientations
and suggestions shall be followed in order to guarantee personnel and equipment safety, as well as the proper
operation of the relay.
3.1 MECHANICAL INSTALLATION
3.1.1 Environmental Conditions
Avoid:
Exposure to direct sunlight, rain, high humidity, or sea-air.
Explosive or corrosive gases or liquids.
Excessive Vibration.
Dust, metallic particles or oil mist in the air.
Closeness to strong magnetic fields or high-current cables.
Allowed environmental conditions for operation:
Temperature: According IEC: 0 °C to 55 °C (32 °F to 131 °F).
According UL: 0 °C to 40 °C (32 °F to 104 °F).
Humidity: 5 % to 90 % non-condensing.
Pollution degree: 2 (according to UL508) with non-conductive pollution. Condensation shall not originate
conduction through the accumulated residues.
Maximum altitude: 2000 m (6.600 ft) above sea level - nominal conditions. For applications at higher altitudes,
contact WEG.
NOTE!
In order to prevent overheating, the ventilation openings must not be blocked. It is recommended to
provide a side clearance of at least 10 mm (± 0.39 in), and a top and bottom clearance of at least 30
mm (±1.18 in) so as to allow a good air circulation and better cooling.
3.1.2 Mounting
The Control Unit (UC), Current Measurement Unit (UMC1, 2, 3 and 4), the Expansion Digital Unit (EDU) and
Current/Voltage Measurement Unit (UMCT1, 2, 3 and 4) can be installed in any position.
They can be mounted on a 35 mm (1.38 in) DIN rail or through the fixing adapter (PLMP) with M4 screws.
Содержание SRW 01
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