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Mersen Surge Protector 400V AC Maximum Surge Current 12.5 kA Type 2 & Type 1 Arrester DIN Rail Mount STPT12

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Mersen Surge Protector 400V AC Maximum Surge Current 12.5 kA Type 2 & Type 1 Arrester DIN Rail Mount STPT12

Name: Mersen Surge Protector 400V AC Maximum Surge Current 12.5 kA Type 2 & Type 1 Arrester DIN Rail Mount STPT12
Brand: Mersen
SKU: 154017
Price: 601.82 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	72mm
Model	STPT12
Depth	76mm
Mount Type	DIN Rail
Series	STPT12
Maximum Operating Temperature	80°C
Minimum Operating Temperature	-40°C
Suppressor Type	Type 2 Arrester, Type 1 Arrester
Maximum Voltage	400V ac
Standards/Approvals	EN 61643-11, IEC 61643-11
Maximum Surge Current	12.5kA
Configeration	CT1 / TNS

Key Features

Designed for maximum voltage rating of 400V AC ensuring high reliability.
Capable of handling a maximum surge current of 12.5 kA for effective lightning and surge protection.
DIN rail mounting facilitates easy installation in control panels.
Operates efficiently between temperatures of -40°C to 80°C for varied environments.
Supports remote monitoring allowing real-time protection status checks.
Complies with EN 61643-11 and IEC 61643-11 standards for safety and performance.
Measures 72 mm in length, 90 mm in height, and 76 mm in depth for compact panel integration.
Configuration suited to CT1 / TNS systems providing versatile power protection.

Product Description

Mersen STPT12 Surge Protector 400V AC is a combined Type 1 and Type 2 arrester designed for protecting electrical installations from overvoltage due to lightning and switching surges. This arrester is ideal as the first line of defense in incoming power supply panels, especially in areas with atmospheric exposure where external lightning protection systems are installed.

Its high surge current capacity of 12.5 kA allows it to safely discharge lightning currents, protecting sensitive electrical and electronic equipment from damage. The device mounts easily on a DIN rail, making integration in electrical panels straightforward and secure.

The STPT12 operates reliably from -40°C up to 80°C, ensuring durability in various industrial and commercial environments. Remote monitoring capability further enhances system safety by providing timely alerts for maintenance or replacement needs.

Dimensions are compact with a length of 72 mm, height of 90 mm, and depth of 76 mm, enabling efficient use of panel space. Its configuration supports CT1 / TNS systems commonly used in electrical distribution networks.

Maximum voltage rating of 400V AC for stable operation. Maximum surge current rating of 12.5 kA to withstand severe surges. Compliance with EN 61643-11 and IEC 61643-11 standards. Remote monitoring functionality included.

DIN rail mounting for easy installation. Wide operating temperature range from -40°C to 80°C. Suitable for Type 1 and Type 2 surge protection. Compact size optimized for indoor panel assembly.

This surge protector is suitable for industrial, commercial, and electrical utility applications where high surge protection and reliable operation are required. Its combination of Type 1 and 2 protection ensures layered defense against transient overvoltages.

Explore the range of Mersen surge protection solutions on EnvMart for comprehensive electrical safety products.

Explore more products in our Surge Protection Components category.