Siemens FS100 FirstSurge Type 2 Surge Protection Device

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Siemens FS100

FS100 Product Description

Shield your electrical systems and appliances with the FirstSurge Type 2 Surge Protective Device, a robust solution designed to protect your home or business from the damaging effects of electrical surges. With a rating of 120/240V split-phase (up to 400A) at 50/60Hz and a surge spike capacity of 100kA, this device is engineered for top-notch surge protection.


Lightning-Fast Response: With a response time of less than 1 nanosecond, the FirstSurge Type 2 provides lightning-quick reaction to incoming surges, ensuring that your sensitive electronics and equipment remain unharmed.

Versatile Installation: This surge protective device is housed in a NEMA 4X enclosure, making it suitable for both indoor and outdoor use. Whether you need protection for your home or business, the FirstSurge is up to the task.

3-Stage Commercial-Grade Notification: Stay informed about the status of your surge protection. The FirstSurge Type 2 offers a 3-stage notification system, allowing you to monitor the health of your surge protection solution.

Ground Reference Monitoring (GRM): This advanced feature ensures that your surge protection is always in optimal working condition. GRM constantly monitors the ground reference to keep your system safe and reliable.

Universal Compatibility: Designed to install onto any brand load center, the FirstSurge Type 2 seamlessly integrates into your existing electrical system. This adaptability makes it an excellent choice for retrofitting or new installations.


Type: 1-Phase Type 2
Voltage Rating :120/241 VAC
Frequency Rating: 50/60 Hz
Number of Poles: 2
Number of Wires: 3+G
Energy Rating : 3525 J
Nominal Discharge Current: 20 kA
Type Of Indicators: LED
Enclosure Type: NEMA 4X
Mounting Type: Surface
Dimensions: 8 in L x 3 in W x 4 in H
Material: Polycarbonate

About Siemens:

Siemens is a global powerhouse focusing on the areas of electrification, automation and digitalization. One of the world’s largest producers of energy-efficient, resource-saving technologies. In infrastructure and industry solutions the company plays a pioneering role.

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Siemens FS100 FirstSurge Type 2 Surge Protection Device
Siemens FS100 FirstSurge Type 2 Surge Protection Device
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