LC1D18R7 SQUARE D, LC1D18R7 Datasheet - Page 10

• Manufacturer Part Number: LC1D18R7
• Description: IEC Contactor
• Manufacturer: SQUARE D

Specifications of LC1D18R7

• No. Of Poles: 3
• Contact Configuration: 3PST-NO
• Relay Mounting: DIN Rail
• Coil Voltage Vac Nom: 440V
• Relay Terminals: Screw Clamp
• Width: 45mm
• Coil Resistance: 2.24kohm
• Nom Operating Power: 10kW
• External Width: 45mm
• Operating Voltage: 600VAC
• Switching Power Ac1: 3hp
• Switching Power Ac3: 15hp
• Switching Current Ac1: 32A
• Switching Current Ac3: 18A
• Load Current Inductive: 18A
• Load Current Resistive: 32A
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Technical Information: Protective Treatment / Climatic Environment
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2001-2004 Schneider Electric All Rights Reserved
Technical Information: Protective Treatment According to Climatic Environment
Depending on the climatic and environmental conditions in which the equipment is placed,
Telemecanique can offer specially adapted products to meet your requirements.
In order to make the correct choice of protective finish, two points should be remembered:
• The prevailing climate of the country is never the only criterion.
• Only the atmosphere in the immediate vicinity of the equipment should be considered.
“TC” Treatment for All Climates
“TC” is the standard treatment for Telemecanique equipment and is suitable for the vast majority of
applications. It is the equivalent of treatments described as “Klimafest,” “Climateproof,” “Total
Tropicalization,” or “Super Tropicalization,” and meets the following requirements:
• Publication UTE C 63-100 (method l), successive cycles of humid heat at + 40 °C (104 °F) and
• DIN 50016 — Variations of ambient conditions within a climatic chamber:
It also meets the requirements of the marine classification authority BV-LROS-GL-DNV-RINA.
Characteristics
• Steel components are usually treated with zinc chromate and, when they have a mechanical function,
• Insulating materials are selected for their high electrical, dielectric and mechanical characteristics.
• Metal enclosures have a stoved paint finish, applied over a primary phosphate protective coat, or are
Limits for Use of “TC” (All Climates) Treatment
• “TC” treatment is suitable for the following temperatures and humidity:
• It may also be used where the above limits are only exceeded accidentally or for very short periods,
Extension of Use of “TC” (All Climates) Treatment
In cases where the humidity around the equipment exceeds the conditions described above, where the
equipment (in tropical regions) is mounted outdoors, or where it is placed in a very humid location
(laundries, sugar refineries, steam rooms, and so forth), “TC” treatment can still be used if the following
precautions are taken:
• The enclosure in which the equipment is mounted must be protected with a “TH” finish (see page 11)
• Components mounted inside the enclosure must have a “TC” finish.
• If the equipment is to be switched off for long periods, a heater must be provided (0.2 to 0.5 kW per
95% relative humidity.
+ 23 °C (73 °F) and 83% relative humidity,
+ 40 °C (104 °F) and 92% relative humidity.
they may also be painted.
galvanized (for example, some prefabricated busbar trunking components).
or where temperature variations are not sufficient or fast enough to cause heavy condensation or
dripping water on the equipment. “TC” treatment is therefore suitable for all latitudes, including
tropical and equatorial regions, where the equipment is mounted in normal, ventilated industrial
locations. Being sheltered from external climatic conditions, temperature variations are small, the risk
of condensation is minimized, and the risk of dripping water is virtually non-existent.
and must be well ventilated to avoid condensation and dripping water (for example, enclosure base
plate mounted on spacers).
square decimeter / 15.5 square inch of enclosure), switched on automatically when the equipment is
turned off. This heater keeps the inside of the enclosure at a temperature slightly higher than the
outside surrounding temperature, thereby avoiding any risk of condensation and dripping water (the
heat produced by the equipment itself in normal running is sufficient to provide this temperature
difference).
Temperature
Relative Humidity
20 °C (68 °F)
95%
40 °C (104 °F)
80%
50 °C (122 °F)
50%
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