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Siemens 6SN2155-2BF21-1BA1 SIMODRIVE POSMO A Motor w/ Gear & Brake

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ManufacturerSiemens

Part number6SN2155-2BF21-1BA1

Type Programmable Positioning Motor

Series SIMODRIVE POSMO A

Motor Type Brushless

Voltage 48V

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Veteran-owned

CAGE: 9NK75

Profibus DP Slave 48V DC 300W Brushless Motor Planetary Gearbox (I=7) Integrated Holding Brake IP65 Rated Enclosure High Torque

Product description

The Siemens 6SN2155-2BF21-1BA1 is a SIMODRIVE POSMO A programmable positioning motor. This 48V, 300W brushless motor features a planetary gearbox with a ratio of I=7, an integrated brake, and an IP65 enclosure for enhanced environmental protection. It communicates via PROFIBUS DP as a standard slave.

This motor is suited for demanding industrial applications requiring robust protection against dust and water ingress, along with precise motion control and holding capabilities. It is ideal for use in harsh environments, robotics, and automated production lines where reliability is paramount.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, carries the Siemens 6SN2155-2BF21-1BA1. Equip your facility with dependable, cost-effective automation components from our extensive inventory.

Technical specifications

Type	Programmable Positioning Motor
Series	SIMODRIVE POSMO A
Motor Type	Brushless
Voltage	48V
Power	300W
Gearbox	Planetary, I=7
Brake	Yes
IP Rating	IP65
Communication	PROFIBUS DP Standard Slave

Common applications

Harsh Industrial Environments

Robotics

Automated Production Lines

Machine Tools

Packaging Systems

Material Handling

Compatible systems

PROFIBUS DP Master Controllers SIMODRIVE Systems

Also known as

SIMODRIVE POSMO A 300W IP65 Geared Motor Siemens Profibus Brake Motor IP65 6SN2155 IP65 Geared Motor

Replaces / compatible with

This IP65-rated, geared, and braked motor is part of the SIMODRIVE POSMO A series, offering enhanced environmental protection for critical applications.

Technical note

Expert tip

The IP65 rating allows for washdown capabilities, but care should be taken to ensure all cable glands and seals are properly secured.

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Frequently asked questions

What is the IP rating of the Siemens 6SN2155-2BF21-1BA1 motor?

The Siemens 6SN2155-2BF21-1BA1 motor features an IP65 enclosure rating. This indicates it is dust-tight and protected against water jets, making it suitable for use in more demanding industrial environments.