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Siemens 3SB3000-4RD21 22mm Key-Operated Switch with 2 Keys

Siemens 22mm Key-Operated Switch with 3 Positions.

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ManufacturerSiemens

Part number3SB3000-4RD21

Actuator Size 22mm

Actuator Type Plastic Round

Switch Type Key-Operated

Keys 2

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Key-operated security 3 switch positions Left latching / Right momentary action 22mm standard mounting Includes keys and holder

Product description

The Siemens 3SB3000-4RD21 is a 22mm plastic round actuator featuring a key-operated switch mechanism. It comes with two keys and offers three switch positions: I-O-II. The switch provides left latching and right momentary action, with removal position at 'I'. It includes a holder and a lock, with SSG 10 security.

This key-operated switch is designed for applications requiring controlled access and secure operation of machinery or electrical circuits. Its robust construction and key-locking mechanism ensure that only authorized personnel can activate or deactivate the controlled equipment, commonly used in industrial control panels and safety systems.

Stanlo Automation, a veteran-owned surplus parts distributor, specializes in providing reliable industrial automation components. If you are seeking legacy parts like the Siemens 3SB3000-4RD21 or its modern successor, we are your trusted source for quality and availability.

Technical specifications

Actuator Size	22mm
Actuator Type	Plastic Round
Switch Type	Key-Operated
Keys	2
Positions	3 (I-O-II)
Action	Left Latching, Right Momentary
Removal Position	I
Security	SSG 10

Common applications

Machine control

Safety interlocks

Access control

Industrial control panels

Electrical enclosures

Compatible systems

22mm control panel cutouts General industrial control circuits

Also known as

Siemens 3SB3000 Key Switch 22mm round key switch Siemens safety switch 3SB3000

Replaces / compatible with

This product is phased out. The preferred successor type is >>3SU1000-5BN21-0AA0 + accessories<<.

Technical note

Expert tip

While this product is phased out, ensure compatibility with existing control systems if integrating into older setups.

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Frequently asked questions

What are the switch positions and actions for the Siemens 3SB3000-4RD21?

The Siemens 3SB3000-4RD21 features three switch positions: I, O, and II. It offers a left latching action and a right momentary action, with the ability to remove the key in position 'I'. This provides flexible control and enhanced security for industrial applications.