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Siemens 5SY1705-4 1-Pole F2 Circuit Breaker with Aux Switch

Siemens 5SY1705-4 1-pole F2 circuit breaker with NO auxiliary switch.

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ManufacturerSiemens

Part number5SY1705-4

Poles 1

Characteristic F2

Current Rating 0.5A

AC Voltage Rating 230V AC

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1-pole design F2 tripping characteristic Integrated NO auxiliary contact 0.5A rated current Compliant with IEC 60934

Product description

The Siemens 5SY1705-4 is a 1-pole device circuit breaker equipped with an auxiliary normally open (NO) contact. It features an F2 tripping characteristic, making it suitable for specific protection requirements. This breaker is rated for 0.5A at 230V AC (50/60 Hz) and 60V DC, with a breaking capacity (Icn) of 3 kA AC according to IEC 60934.

This breaker is designed for applications requiring precise overcurrent protection and the ability to signal the status of the breaker to a control system. The F2 characteristic is typically used for protecting sensitive electronic equipment or circuits where rapid tripping is essential.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 5SY1705-4. We provide reliable and cost-effective solutions to keep your essential equipment operational.

Technical specifications

Poles	1
Characteristic	F2
Current Rating	0.5A
AC Voltage Rating	230V AC
DC Voltage Rating	60V DC
AC Breaking Capacity	3 kA
Auxiliary Contact	1 NO

Common applications

Sensitive electronic equipment protection

Control system signaling

Industrial automation

Laboratory equipment

Telecommunications

Also known as

Siemens 5SY17 breaker Siemens device circuit breaker Siemens 0.5A F2 breaker

Replaces / compatible with

This part is a direct replacement for other Siemens 5SY17 series circuit breakers with similar ratings and configurations.

Technical note

Expert tip

The auxiliary NO contact on the 5SY1705-4 can be used to trigger an alarm or shutdown sequence upon breaker trip.

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Frequently asked questions

What is the tripping characteristic of the Siemens 5SY1705-4?

The Siemens 5SY1705-4 features an F2 tripping characteristic, which provides faster tripping than standard Type B or C breakers, suitable for protecting sensitive electronic loads.