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Siemens SENTRON 7NG1205-4AC42-5XX1 Surge Protective Device

Siemens SENTRON surge arrester 7NG1205-4AC42-5XX1, 120kA, L-N protection.

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ManufacturerSiemens

Part number7NG1205-4AC42-5XX1

Manufacturer Siemens

Part Number 7NG1205-4AC42-5XX1

Series SENTRON

Type Surge Protective Device (SPD)

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High discharge capacity (120kA) Protects against transient overvoltages L-N protection Enhances system reliability Prevents equipment damage SENTRON quality

Product description

The Siemens SENTRON 7NG1205-4AC42-5XX1 is a high-performance surge protective device (SPD) designed to safeguard electrical installations and equipment from transient overvoltages, such as those caused by lightning strikes or switching operations. This device is specifically designed for Line-Neutral (L-N) protection and offers a substantial discharge capacity of 120kA.

This surge arrester is crucial for ensuring the reliability and longevity of sensitive electronic equipment in industrial, commercial, and residential settings. By clamping high voltage surges to a safe level, it prevents damage to control systems, computers, lighting, and other critical components, thereby minimizing costly downtime and repairs. Its robust construction ensures effective protection even under demanding conditions.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 7NG1205-4AC42-5XX1 to help you maintain the integrity of your electrical systems. We provide access to high-quality industrial components, ensuring you can implement effective surge protection solutions. Source your essential automation and electrical protection parts from Stanlo for reliability and value.

Technical specifications

Manufacturer	Siemens
Part Number	7NG1205-4AC42-5XX1
Series	SENTRON
Type	Surge Protective Device (SPD)
Protection Mode	L-N
Max Discharge Capacity	120kA

Common applications

Industrial facilities

Commercial buildings

Data centers

Power distribution systems

Control panels

Sensitive electronic equipment

Compatible systems

AC power systems Distribution boards Control cabinets Sensitive electronic loads

Also known as

Siemens Surge Protector SENTRON SPD 7NG12054AC425XX1

Replaces / compatible with

This surge arrester is designed to protect power systems from transient overvoltages. It can be integrated into new or existing electrical distribution systems where L-N surge protection is required.

Technical note

Expert tip

Proper installation according to manufacturer guidelines, including correct conductor sizing and grounding, is essential for the optimal performance of this surge protective device.

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Frequently asked questions

What is the discharge capacity of the Siemens 7NG1205-4AC42-5XX1 surge arrester?

The Siemens 7NG1205-4AC42-5XX1 surge protective device offers a high discharge capacity of 120kA. This allows it to effectively handle and dissipate large transient overvoltages, protecting connected electrical systems.