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Siemens 3SB3500-4PD11 22mm Metal Key-Operated Switch

Siemens 3SB3500-4PD11 22mm metal key-operated switch.

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ManufacturerSiemens

Part number3SB3500-4PD11

Actuator Type Key-Operated Switch

Size 22mm

Material Metal

Switch Positions 3 (I-O-II)

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Veteran-owned

CAGE: 9NK75

22mm metal construction 3-position key switch Latching operation Includes 2 keys Key removal in all positions (I, O, II) NO contact configuration

Product description

The Siemens 3SB3500-4PD11 is a 22mm metal round actuator designed for a key-operated switch. It offers three switch positions (I-O-II) with a latching mechanism and a no-contact (NO) configuration. This unit includes two keys and provides key removal in all three positions: I, O, and II. It is part of the SIRIUS ACT 3SU1 successor series.

This actuator is suitable for applications requiring controlled access and defined operational states, such as in manufacturing plants, control systems, and security installations. The metal housing ensures robust performance in industrial environments.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3SB3500-4PD11. We provide reliable and cost-effective solutions for your industrial automation needs.

Technical specifications

Actuator Type	Key-Operated Switch
Size	22mm
Material	Metal
Switch Positions	3 (I-O-II)
Mechanism	Latching
Contact Type	NO (No Contact)
Key Lock	Yes
Key Removal Positions	I, O, II
Series	SIRIUS 3SB3 (SIRIUS ACT 3SU1 successor)

Common applications

Industrial control panels

Machine safety systems

Access control

Process automation

Manufacturing equipment

Security applications

Compatible systems

Successor series: SIRIUS ACT 3SU1

Also known as

Siemens 3SB3 3-position key switch with all-position key removal 22mm metal key actuator I-O-II

Replaces / compatible with

This part is a phased-out product, with the SIRIUS ACT 3SU1 series being its successor. The preferred successor type is >>3SU1050-5PD11 + 3SU1550-0AA10-0AA0<<.

Technical note

Expert tip

When replacing with the successor 3SU1 series, ensure the correct combination of actuator (3SU1050-5PD11) and holder (3SU1550-0AA10-0AA0) is selected.

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Frequently asked questions

Can the key be removed from any position on the Siemens 3SB3500-4PD11 switch?

Yes, the Siemens 3SB3500-4PD11 allows for key removal in all three switch positions: I (ON), O (OFF), and II (ON). This feature provides flexibility in operation and security.