Phoenix Contact, VAL-MS 230 ST Surge Protector 230 V ac Maximum Voltage Rating 40kA Maximum Surge Current Surge

RS Stock No.:
Mfr. Prt No.:
Phoenix Contact

Technical Reference

Legislation and Compliance

RoHS Status: Non Compliant

Statement of Conformity

RS Components
Statement of Conformity

This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.

Compliant Product Details
RS stock number 8026542
Product description Phoenix Contact, VAL-MS 230 ST Surge Protector 230 V ac Maximum Voltage Rating 40kA Maximum Surge Current Surge
Manufacturer / Brand Phoenix Contact
Manufacturer part number 2798844

The foregoing information relates to product sold on, or after, the date shown below.


Date Sep 28, 2023

RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132

Country of Origin: DE

Product Details

Surge Protection Devices, SPDs (DIN-rail)

Voltage surges, often referred to as spikes or transients are typically caused by switching of fluorescent lights, fuses blowing or nearby lightning activity. The worst voltage spikes are usually caused by lightning strikes and can reach up to 6000V, with current surges of over 3000A. The maximum size of the let-through voltage and current inrush depends on the location within the building's wiring system. BS7671: 2011 Amendment 1 Sections 443 and 534 cover risk assessment and provides guidance on protection of electronic equipment for installation engineers to follow. The fullest information on lightning and surge protection comes from the BSEN 62305 series of standards.

VALVETRAB® Pluggable single-pole modular lightning surge protector

The 2798844 from Phoenix Contact is a type 2 surge protection plug. This plug is designed to protect low voltage or three phase power supplies in your installations. It's backed with thermal monitoring, easy pluggable design that’s allow for simple maintenance, mechanical indicator that shows the status and a wiring bridge that allows multiple modules to easily connect and be bridged on the ground connection. VALVETRAB provides L-N and L-PEN protection.


Attribute Value
Brand Phoenix Contact
Suppressor Type Surge Arrester Protection Module
Maximum Voltage Rating 230 V ac
Mounting Type DIN Rail
Maximum Surge Current 40 kA
Series VAL-MS 230 ST
Length 17.7 mm
Depth 54.5 mm
Height 52.4 mm
Dimensions 17.7 x 54.5 x 52.4 mm
Minimum Operating Temperature -40 °C
Maximum Operating Temperature +80 °C
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