1080285008 (=1635762508/163576250818): MOTOR

The 1080285008: Atlas Copco Air Compressor Motor is a critical power component specifically engineered for the Atlas Copco ZR500 VSD oil-free air compressor. Manufactured by Siemens in Germany, this high-performance motor ensures your compressed air system operates at peak efficiency across variable speed drive (VSD) applications.

Genuine Product Confirmed Through Hands-On Handling

We have personally handled and sold this motor. The original product features an authentic Atlas Copco brand logo on its nameplate, alongside clearly marked part numbers and full technical parameters. Our direct experience with the product confirms that it is 100% genuine and original. Every physical detail—from the casting quality to the labelling and serial number format—matches strict Atlas Copco original specifications.

Correct Ordering, Hardware Replacement, and VSD Parameter Updates

Replacing the motor on a ZR500 VSD requires precise technical knowledge. Below are the mandatory ordering options, spacer and bolt replacements, mechanical adjustments, and software updates.

Correct Motor Ordering by Voltage

• For 380–400V supply, order motor 1635762508
• For 440–460–500V supply, order motor 1635762518

Required Replacement Hardware

When replacing the existing motor with the new 1080285008 unit, the following original Atlas Copco components must be installed:

Component	Part Number	Quantity
Spacer	1621169108	1
Spacer	301243400	7
Bolt	147178800	1

Mechanical Modifications

• Move the motor support 469.90 mm away from the coupling housing.
• The baffle diameter of the new motor is decreased by 70 mm.
• The height of the new motor is increased by 66.50 mm.
• Make necessary on-site changes (e.g., piping, enclosure, or mounting frame adjustments) as required to accommodate these dimensional differences.

VSD Parameter and Database Updates

After mechanical installation, the following software updates must be performed:

Voltage	Parameter File
380V	1900381080
400V	1900381081
440V	1900381082
460V	1900381083
500V	1900381084
The MK5s database must be updated with new database 9823555510.

Failure to perform these parameter updates will result in incorrect VSD operation, reduced efficiency, or fault conditions.

Built by Siemens, Branded by Atlas Copco

Atlas Copco is a world-leading manufacturer of industrial air compressors, known for oil-free, energy-efficient, and highly reliable compressed air solutions. The ZR series represents the gold standard for oil-free air in critical applications such as pharmaceuticals, food processing, electronics, and automotive manufacturing.

Siemens, headquartered in Germany, is one of the world’s most respected electrical engineering and industrial drive manufacturers. This motor is designed and manufactured by Siemens specifically for Atlas Copco under strict quality and performance standards. The combination of Atlas Copco’s compressor expertise and Siemens’ drive technology guarantees superior reliability, efficiency, and service life.

26 Years of Dedicated Atlas Copco Expertise

We have focused exclusively on Atlas Copco air compressors and genuine original parts for 26 years. We maintain a regular inventory of over 23,000 pieces of genuine components.

This motor is sourced directly from Atlas Copco (Shanghai) Trading Co., Ltd. and is delivered as brand new, 100% genuine, and original – never remanufactured or substitute.

We have built long-term relationships with customers worldwide through:

• Professionalism
• Reliability
• Mutual respect

When you purchase from us, you receive full technical support, correct documentation, and absolute confidence in product authenticity.

Technical Parameters

Parameter	Old Motor	New Motor
Atlas Copco PN	1080285008	1635762508
Region	EUROPE	EUROPE
Supplier	SIEMENS	Siemens
Supplier designation Or type	–
Compressor type	ZR500 VSD	ZR500 VSD
Power kW	570	475
Power Hp	764.37	636.98
Voltage Variant	400	380
VSD applicant	YES	Yes
Frequency Hz	69	69
Service Factor	1	1
Speed rpm	2091	2063
Number of poles	4	4
Nominal Current A	1000	880
Starting Current(%)	780
Nominal Torque Nm	2604	2200
Starting Torque(%)	200
Efficiency(%)	94.5	94.5
Efficiency Class
CSA approval	NO	Yes
Flying Leads mm	NO	No
Terminal Box angle	45	45
IP Code	55	55
Type of winding Protection	6xPT1000 & 2xKTY84	6xPT1000 & 2xPT1000
Type of bearing Protection	2xPT1000	2xPT1000
Anti condensation Heater	115/230V – 200W	115/230V – 200W
Marine duty	NO	No
Explosion proof	NO	No

Important Notes for Motor Replacement – Steps & Precautions

Precautions

• Disconnect and lock out all electrical power before starting.
• Ensure the compressor is fully depressurized and cooled.
• Only use genuine Atlas Copco spacers and bolts listed above.
• Do not skip the VSD parameter or MK5s database update.
• Confirm on-site clearance for the increased motor height (+66.50 mm).

Recommended Replacement Steps

1. Order the correct motor variant based on your site voltage.
2. Purchase required spacers (1621169108, 301243400 x7) and bolt (147178800).
3. Remove the old motor and clean mounting surfaces.
4. Reposition the motor support 469.90 mm away from the coupling housing.
5. Install the new motor with new spacers and bolts.
6. Adjust baffle and surrounding structures to accommodate the 70 mm smaller baffle diameter and 66.50 mm higher motor profile.
7. Upload the correct VSD parameter file according to your supply voltage.
8. Update the MK5s database with 9823555510.
9. Perform a test run under no load, then gradually apply load while monitoring vibration, current, and temperature.

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