Siemens 1LA6 316-2ZZ90Z 3.15L Electric Motor

The Siemens 1LA6 316-2ZZ90Z 3.15L electric motor is a German-engineered squirrel cage induction motor built for reliable performance in continuous industrial operation. With a rated output of 55 kW and operating speed of 1485 RPM, this motor is suited for applications requiring consistent power under demanding conditions.

It supports dual voltage configurations: 380V in Delta (Δ) and 660V in Star (Y), with respective current ratings of 108 A and 160 A. The power factor ranges from 0.85 in Δ to 0.88 in Y. The motor operates at 50 Hz frequency and is protected to IP54 standards, ensuring resistance to dust and water spray ingress.

The rotor is of squirrel cage design (KL 10), and the cooling system follows IC411 (Totally Enclosed Fan-Cooled – TEFC) principles. It features deep-groove ball bearings (6319-C3) on both the drive-end (D-end) and non-drive-end (N-end), offering enhanced durability. Greasing is specified according to DIN 51825-KL3K-LI, a lithium-soap-based lubricant, with ~10 grams applied per lubrication point and regreasing recommended every 2,000 operating hours.

This motor is foot-mounted with IM B3 configuration and is ideally suited for pump, compressor, and fan applications, among others.

Specifications:

– Manufacturer: Siemens
– Country of Origin: Germany
– Model: 1LA6 316-2ZZ90Z 3.15L
– Serial Number: 497744/1990
– Mounting Type: IM B3 (Foot-Mounted)
– Protection Class: IP54 (Dust & Water Spray Protected)
– Voltage: 380V Δ / 660V Y
– Frequency: 50 Hz
– Current (Δ): 108 A
– Current (Y): 160 A
– Power Output: 55 kW
– Power Factor (Δ): 0.85
– Power Factor (Y): 0.88
– Speed: 1485 RPM
– Efficiency Class: Not specified
– Rotor Type: Squirrel Cage (KL 10)
– Cooling Method: IC411 (Totally Enclosed Fan-Cooled – TEFC)
– D-End Bearing: 6319-C3
– N-End Bearing: 6319-C3
– Grease Quantity: ~10 g per lubrication
– Re-Greasing Interval: Every 2,000 operating hours
– Grease Specification: DIN 51825-KL3K-LI (Lithium-Soap Based Grease)

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