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Mersen Surge Protector Type 1 and Type 2 Arrester 400V AC Maximum Voltage 25 kA Maximum Surge Current DIN Rail Mount STPT12

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Mersen Surge Protector Type 1 and Type 2 Arrester 400V AC Maximum Voltage 25 kA Maximum Surge Current DIN Rail Mount STPT12

Name: Mersen Surge Protector Type 1 and Type 2 Arrester 400V AC Maximum Voltage 25 kA Maximum Surge Current DIN Rail Mount STPT12
Brand: Mersen
SKU: 154014
Price: 955.02 USD
Availability: InStock

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Category Surge Protection Components Brand Mersen Condition New

Specifications

Country of Origin	Spain
Brand	Mersen
Height	90mm
Length	144mm
Model	STPT12
Depth	76mm
Mount Type	DIN Rail
Series	STPT12
Maximum Operating Temperature	80°C
Minimum Operating Temperature	-40°C
Suppressor Type	Type 1 Arrester, Type 2 Arrester
Maximum Voltage	400V ac
Standards/Approvals	EN 61643-11, IEC 61643-11
Maximum Surge Current	25kA
Configeration	CT1 / TNS

Key Features

Protects against lightning currents and voltage surges effectively.
Operates within a wide temperature range from -40°C to 80°C.
Complies with EN 61643-11 and IEC 61643-11 standards.
Features remote monitoring capabilities for enhanced safety.
Compact dimensions of 144 mm length, 90 mm height, and 76 mm depth.
Designed for use in CT1 / TNS configurations.
Suitable as the first step of protection in outdoor power supply panels.

Product Description

Mersen STPT12 Surge Protector is a high-quality combined Type 1 and Type 2/Class I+II arrester designed to discharge lightning currents and protect electrical systems from voltage surges up to 25 kA. It features a maximum continuous operating voltage of 400V AC and mounts easily on a standard DIN rail.

This surge protector is ideal for installation at the first protection level of incoming power supply panels, especially in atmospherically exposed areas equipped with external lightning protection systems. With a robust operating temperature range of -40°C to 80°C, the device is suited for demanding industrial and commercial environments.

Compliance with international standards EN 61643-11 and IEC 61643-11 ensures reliable performance under surge conditions. The device supports remote monitoring, allowing operators to stay informed about its status and maintain system safety efficiently.

The compact form factor with dimensions 144 mm (length) x 90 mm (height) x 76 mm (depth) facilitates easy integration into electrical panels. The STPT12 series is designed for CT1 / TNS configurations.

Protects against lightning current discharges and voltage surges. Suitable for outdoor installation in power supply panels. Remote monitoring capability enhances operational safety. Standards-compliant to EN 61643-11 and IEC 61643-11.

Wide operating temperature range of -40°C to 80°C. Compact DIN rail mounting form factor. Manufactured in Spain ensuring quality and reliability.

This Mersen surge protector is an essential safety component for industrial, commercial, and utility power systems where protection from transient surges is critical. For further products and protection solutions, explore EnvMart’s comprehensive surge protection category.

Explore more products in our Surge Protection Components category.