8MSA4S.R0-B5

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The 8MSA4S.R0-B5 is a synchronous motor manufactured by B & R Automation. Part of the 8MS Three Phase Synchronous Motors series, it features a natural convection cooling system and an IP65 protection class. The motor includes a single-turn absolute encoder. Its connector is rotatable for flexible installation options.

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Product Description:

The 8MSA4S.R0-B5 Three Phase Synchronous Motor manufactured by B & R Automation to delivers effective and efficient performance in automation environments. It has a rated speed of 3000 rpm. It includes a keyed shaft end for secure mechanical connection.

The 8MSA4S.R0-B5 three phase motor has an EnDat multi-turn encoder system. The encoder supports 32 lines and 4096 revolutions. It uses inductive EQI1329 technology for accurate control. The motor does not include an oil seal. It also has no holding brake for simplified operation. It meets IP64 protection standards under IEC 60034-5 conformity. This provides strong resistance to dust and water droplet entrance. The motor works within temperatures ranging up to +55C. Above 40C current values reduce by 10% per 10C. This applies to both rated and stall current performance. The design helps prevent thermal overload in harsh environmental conditions. The allowed humidity range is from 5% to 95% non-condensing. The motor is perfect for high-humidity and indoor-controlled environments. The encoder type supports motion control in multi-turn settings. It's 32-line resolution enables accurate angular positioning. The shaft end is keyed for stable power transmission and the lack of an oil seal makes maintenance simpler. The motor handles variable industrial use under controlled environmental limits.

The 8MSA4S.R0-B5 synchronous motor offers steady output during prolonged cycles. It complies with industrial-grade motion applications that require high encoder accuracy. Current limitations are clearly defined for thermal safety. The B & R Automation 8MS three-phase synchronous motor integrates well into small automated systems. It performs well across varying humidity and altitude ranges. Its strong housing and encoder system meet key automation demands. Wake Industrial provides this product with a one-year warranty and same day, worldwide shipping.

Encoder Type
EnDat multi-turn, 32 lines, inductive (EQI1329), 4096 revolutions 1)
Holding Brake
No
Maximum Environmental Temperature during Operation
+55 C 3
Oil Seal
No
Protection Standards according to IEC 60034-5 (IP code)
IP64 
Rated Speed nN [min-1]
3000 rpm
Reduction of the Rated Current and Stall Current at Installation Altitudes over 1000 m above Sea Level
10%per1000m
Reduction of the Rated Current and Stall Current at Temperatures above 40 C
10% per 10C
Relative Humidity during Operation
5 to 95%, non-condensing
Shaft End
Keyed

Frequently Asked Questions about 8MSA4S.R0-B5:

Q: What cooling method is used in the 8MSA4S.R0-B5 motor

A: The 8MSA4S.R0-B5 uses natural convection cooling. This design eliminates the need for external fans and supports continuous-duty operation in ventilated environments.

Q: What type of encoder is used in the 8MSA4S.R0-B5

A: The 8MSA4S.R0-B5 includes a single-turn absolute encoder. It provides precise position feedback for applications requiring consistent rotational alignment without multi-turn tracking.

Q: How is the connector configured on the 8MSA4S.R0-B5

A: The 8MSA4S.R0-B5 features a rotatable connector. This allows flexible cable routing, making installation easier in tight or mobile setups.

Q: Is the 8MSA4S.R0-B5 motor suitable for high-humidity environments

A: Yes, the 8MSA4S.R0-B5 supports operation in up to 95% non-condensing humidity. It’s designed for controlled indoor applications with elevated moisture levels.

Q: What shaft type is integrated in the 8MSA4S.R0-B5

A: The 8MSA4S.R0-B5 includes a keyed shaft end. This ensures secure coupling and prevents slippage in high-precision torque transmission.


Internal Product Review

  • ‘‘The 8MSA4S.R0-B5 motor from B & R Automation delivers dependable motion control with a keyed shaft and rotatable connector. It supports natural cooling for simplified thermal regulation. The integrated single-turn absolute encoder enables precise angular tracking. This motor is ideal for compact automation with dynamic orientation needs.’’

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