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1. Description
1.9 UL listing
1.9 UL listing
The RTD has been UL listed in conformity with UL 61010-2-201, UL61010-1 by Under-
writers Laboratories Inc., UL-File no. E205091.
Use of the device
Using the device in a way not specified by the manufacturer may negatively affect
the protection provided by the device.
The device is intended to be flush mounted in control cabinets, control panels, or con-
trol consoles. The device can be installed in a horizontal or vertical position.
When selecting a suitable installation position, the following requirements must be
met:
a. The inclination angle for vertical installation without forced ventilation can be
up to 90°.
b. Adequate ventilation must be ensured by maintaining a clearance of at least 3
cm from the ventilation slots.
The following conditions must be met in order for the certification of RTD as per UL
61010-2-201, UL61010-1 to apply:
l
Ambient temperature 0°C to 50°C
l
Mounting height up to 2000 m
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Overvoltage category II
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Pollution Degree 2
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Permissible voltage range 20%/+25% of rated operating voltage
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Type rating
Use in type 4X or type 12 enclosures, use indoors only, at dry locations only
l
Maximum relative humidity of 95% for temperatures of up to 50 °C, derated
linearly to a relative humidity of 50% at 40 °C.
l
Suitable power supply for class III (SELV or PELV)
l
The devices must be installed in a suitable fire protection enclosure that provides
protection against the spread of fire.
The torque used to tighten the screw terminals on the plug-in connection for the
power supply must not exceed 0.22 ... 0.25 Nm.
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