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Siemens 3SU1000-4JC01-0AA0 Key-Operated Switch - Momentary, 2 Positions

Siemens 22mm round plastic key-operated switch, momentary, 2 positions.

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ManufacturerSiemens

Part number3SU1000-4JC01-0AA0

Actuator Type Key-operated

Enclosure Type Round Plastic

Size 22 mm

Lock Number 73033

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22mm mounting size Momentary switching action Yellow actuator Lock number 73033 Key removal from 'O' position 45° actuating angle

Product description

The Siemens 3SU1000-4JC01-0AA0 is a 22mm round, plastic key-operated switch in yellow. It utilizes lock number 73033 and offers two switch positions, O and I, with a momentary contact type (O<I). The actuating angle is 45° (10:30h/12h), and the key can be removed from the 'O' position, providing controlled, temporary activation.

This switch is designed for momentary operations where a brief signal or action is required, commonly used in control circuits for functions like starting, signaling, or temporary activation of machinery. Its yellow color can be used for specific functional identification in control panels. Applications include emergency stop reset (if momentary function is designed for it) or temporary power-up sequences.

Stanlo Automation, your trusted source for surplus industrial automation parts, offers the Siemens 3SU1000-4JC01-0AA0. As a veteran-owned company, we prioritize providing quality components quickly to get your operations back online with minimal disruption.

Technical specifications

Actuator Type	Key-operated
Enclosure Type	Round Plastic
Size	22 mm
Lock Number	73033
Color	Yellow
Switch Positions	2 (O<I)
Switching Action	Momentary
Actuating Angle	45°
Key Removal	O

Common applications

Momentary control circuits

Machine start/stop functions

Signaling devices

Reset mechanisms

Control panel interfaces

Compatible systems

Compatible with Siemens SIRIUS ACT 3SU1 series accessories and contact blocks.

Also known as

Siemens SIRIUS ACT Momentary Keyswitch 3SU1 Momentary Switch 22mm Yellow Key Switch

Replaces / compatible with

This switch is part of the Siemens SIRIUS ACT 3SU1 series and is designed for direct replacement of other compatible switches within this line, particularly those requiring momentary action.

Technical note

Expert tip

The momentary contact type (O<I) for the 3SU1000-4JC01-0AA0 means the circuit is only active while the key is held in the 'I' position.

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Frequently asked questions

What is the key removal capability of the Siemens 3SU1000-4JC01-0AA0?

The Siemens 3SU1000-4JC01-0AA0 key-operated switch allows for key removal only from the 'O' (Off) position. This ensures the switch defaults to a safe state when the key is removed.