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Allen Bradley 855H-R45E 30mm Rotary Switch, 4-Position

Allen Bradley 855H-R45E 30mm 4-Position Keyed Rotary Switch.

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ManufacturerAllen Bradley

Part number855H-R45E

Mounting Size 30mm

Type Rotary Selector Switch

Positions 4

Actuation Maintained

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Veteran-owned

CAGE: 9NK75

30mm panel mount 4 maintained positions Key lock for security Rotary selector functionality Industrial grade Surplus stock

Product description

The Allen Bradley 855H-R45E is a 30mm rotary selector switch with a key lock, offering four maintained positions. This switch is designed for reliable operation in industrial environments, providing secure control and status selection for machinery and automated systems.

This rotary switch is ideal for selecting operating modes, controlling sequences, or providing access control in manufacturing, material handling, and process control applications. The key lock feature adds an extra layer of security.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the 855H-R45E. We provide quality, tested components to help you maintain operational efficiency and reduce downtime.

Technical specifications

Mounting Size	30mm
Type	Rotary Selector Switch
Positions	4
Actuation	Maintained
Features	Key Lock
Condition	Surplus

Common applications

Machine mode selection

Control system configuration

Access control

Automation sequence selection

Industrial machinery

Manufacturing

Compatible systems

Standard 30mm panel cutouts; suitable for control circuits requiring maintained switching actions

Also known as

855H-R45E switch Allen Bradley 30mm rotary key switch 855H series selector

Replaces / compatible with

Suitable replacement for 30mm Allen Bradley or compatible brand rotary switches with four maintained positions and a key lock feature.

Technical note

Expert tip

The key lock on the 855H-R45E adds a layer of security, preventing unauthorized changes to machine settings or operating modes.

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Frequently asked questions

What type of actuation does the Allen Bradley 855H-R45E rotary switch provide?

The Allen Bradley 855H-R45E rotary switch provides maintained actuation. This means that once a position is selected, it will remain in that state until it is manually changed to another position.