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Siemens 5SD7424-1 Type 2 Surge Arrester with FRN Display

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ManufacturerSiemens

Part number5SD7424-1

Type 2

Requirement Class C

Uc 350 V

Poles 4

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Type 2 surge protection Class C requirement 350V operational voltage 4-pole configuration 3+1 circuit FRN status display

Product description

The Siemens 5SD7424-1 is a Type 2 surge arrester belonging to requirement class C, with a Uc of 350V. This plug-in protective module features a 4-pole, 3+1 circuit configuration suitable for TN-S and TT systems. A key feature is its integrated FRN (Functional Readiness Notification) display, providing visual status indication.

This surge arrester is designed for enhanced monitoring of protective device status, making it valuable in applications requiring quick visual checks of system health. It's used in industrial settings, power distribution, and building automation to safeguard against transient overvoltages and indicate operational status.

Source your Siemens 5SD7424-1 surge arresters from Stanlo Automation, a trusted veteran-owned supplier of surplus industrial parts. We offer a dependable supply chain for critical components.

Technical specifications

Type	2
Requirement Class	C
Uc	350 V
Poles	4
Circuit	3+1
System Compatibility	TN-S, TT
Display	FRN

Common applications

Industrial control systems

Power distribution units

Building management systems

Electrical safety monitoring

Data centers

Manufacturing plants

Compatible systems

TN-S systems TT systems

Also known as

Siemens 5SD7424-1 arrestor Siemens Type 2 with status indicator Siemens 350V surge protection

Replaces / compatible with

This surge arrester is designed as a direct replacement for other Siemens Type 2 surge arresters with similar specifications and the added benefit of an FRN display.

Technical note

Expert tip

The FRN display simplifies maintenance by providing an immediate visual status of the surge arrester's integrity.

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Frequently asked questions

What is the purpose of the FRN display on the Siemens 5SD7424-1?

The FRN display on the Siemens 5SD7424-1 surge arrester provides a visual indication of the device's operational status. This allows for quick checks to confirm that the surge protection is functioning correctly.