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  • Siemens high efficiency 1LE0 motors

Siemens high efficiency 1LE0 motors

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  • Product description : Siemens high efficiency 1LE0 motors
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Overview
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SIMOTICS 1LE0 series of 3 phase asynchronous motors isTotally Enclosed Fan Cooled (TEFC) with IP55 environmental protection, and applicable for general purpose use. These motors are designed and manufactured in accordance with ISO, IEC standards, GB standards.
The 1LE0 series motor is designed for constant or adjustable speed with continuous duty operation (S1) over a speed range.

Features of Siemens 1LE0 series
■ Frame material: grey cast iron or aluminum.
■ Standard color: stone grey (RAL 7030)
■ Rated power output: 0.55kW~315kW at 50Hz.
■ Available in 2, 4, 6 pole motor (0.75kW and up) with efficiency
grade 3 or 2. according to GB18613-2012 and efficiency class
IE2 or IE3 (50Hz) according to IEC 60034-30.
■ Optimized compact style construction.
■ Standard mounting construction according to IEC 60034-7: IM
B3, IM B5, IM B35 and etc.
■ All motors are designed to IP55 degree of protection (IEC 60034-5) .
■ Re-greasing devices for FS1) 280 ~ 355 as standard, and for
FS100 ~ 250 as option.
■ Reinforced bearings for increased cantilever forces for
FS100 ~ 355 as option.
■ Winding protections with PTC, PT100 and KTY84-130 as option.
■ Terminal box on top, and cable entry on right side (viewed from
driven end). Variable location of connection boxes and cable
entries as option.
■ Insulation system is designed for temperature class 155 (F). At
rated output with line-fed operation, the motors can be used in
temperature class 130 (B).
■ Self ventilated motors with radial-flow fans (cooling method IC
411 according to IEC 60034-6) as standard, forced air cool with
external separately driven fans as option.
■ FS 80 ~ 90 motor donot have eyebolt; FS 100 ~ 355 all motors
have 2 eyebolts.
Environmental
■ Degrees of motor protection IP55 (IEC 60034-5).
■ Altitude shall not exceed 1000m above sea-level (IEC 60034-1).
■ Allowed air temperature between -20 ºC and 40 ºC (IEC 60034-1).
■ Permitted relative humidity:
• -20 ºC ¢ T ¢ 20 ºC:100 %
• 20 ºC < T ¢ 30 ºC:95 %
• 30 ºC < T ¢ 40 ºC:55 %
For higher coolant temperatures and / or site altitudes higher
than 1000 m above sea level, the specified motor output must be
reduced by using the factor kHT. The results in an admissible output
(Padm) of the motor:
Padm = Prated • kHT
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