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Phoenix Contact
VAL-MS-T1/T2 335/12.5 ST
£39.83 (ex. VAT)
Image shown may not reflect the final product
Check similar products or call us on +44 20 4570 3439 for assistance
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | VAL-MS-T1/T2 335/12.5 ST |
| Alternative Part Number | VALMST1T2335125ST |
| Manufacturer | Phoenix Contact |
| Ambient Operating Temperature | -40 °C to +80 °C |
| Standards/Regulations | IEC 61643-1, DIN EN 61643-11, DIN EN 61643-11/A11 |
| Certifications | CB, CCA, KEMA, OEVE |
| Connection Type OUT | FLASHTRAB/VALVETRAB plug-in system |
| Nominal Voltage UN | 240 V AC (230 V AC ... 240 V AC) |
| Arrester Rated Voltage UC | 335 V AC |
| Nominal Frequency fN | 50 Hz (60 Hz) |
| Max. Discharge Surge Current Imax (8/20 µs) | 50 kA |
| Nominal Discharge Surge Current In (8/20 µs) | 12.5 kA |
| Protection Level Up | ≤ 1.2 kV |
| Response Time | ≤ 25 ns |
| Max. Required Backup Fuse | 160 A (gL/gG) |
| Short Circuit Resistance ICC with Max. Backup Fuse | 25 kA |
| Connection, Protective Circuit | FLASHTRAB/VALVETRAB plug-in system |
| Width | 17.70 mm |
| Height | 67.30 mm |
| Length | 47.00 mm |
| Pitch Unit | 1 Div. |
| Colour | Black |
| Degree of Protection | IP20 |
| Mounting Type | On base element |
| Design | DIN rail module, two-section, divisible |
The Phoenix Contact VAL-MS-T1/T2 335/12.5 ST is a state-of-the-art surge protection device designed to safeguard electrical systems from lightning strikes and power surges. This robust component is engineered to be used in three-phase power supply networks with a common neutral and protective earth (PEN) in a 4-conductor system, encompassing L1, L2, L3, and PEN configurations.
Crafted with precision, the VAL-MS-T1/T2 335/12.5 ST is a universal varistor-based plug-in arrester that offers both high performance and reliability. It is suitable for operation within a wide ambient temperature range of -40°C to 80°C, ensuring stability and protection even in extreme environmental conditions.
This surge arrester is compliant with stringent industry standards, including IEC 61643-11 and EN 61643-11, which are indicative of its quality and reliability. The device features a nominal voltage of 240/415 V AC for TN-C power supply systems and can handle a nominal discharge current of 12.5 kA with a maximum discharge current capacity of 50 kA, ensuring robust protection against transient voltages.
Installation and maintenance are made convenient with its DIN rail mounting type and the ability to visually inspect the status of the device through its optical mechanical status indication. The VAL-MS-T1/T2 335/12.5 ST also boasts a modular design, allowing for easy replacement of components without the need to dismantle the entire system.
This surge protection device is an essential component for any electrical installation that requires reliable protection against voltage transients, ensuring the longevity and uninterrupted operation of your electrical equipment.
Commonly Asked Questions
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Frequently Asked Questions
What is the purpose of this surge arrester?
This surge arrester is designed to protect electrical equipment in a 3-phase power supply network from damage due to lightning strikes and power surges. It is suitable for systems with a common neutral and protective earth conductor.
Can this device be used in outdoor installations?
The device is rated with an IP20 degree of protection, which means it is not suitable for outdoor use without additional protection. It should be installed in a dry and sheltered location.
What are the operating temperature limits for this surge arrester?
The operating temperature range for the surge arrester is between -40°C and 80°C, making it suitable for a wide range of environmental conditions.
How can I tell if the surge arrester has been damaged or needs replacement?
The surge arrester features an optical, mechanical status indication for each individual arrester, allowing for easy visual inspection to determine if the device is functioning properly or needs replacement.
What is the maximum surge current this device can withstand?
The surge arrester can withstand a maximum discharge surge current (Imax) of 50 kA for an 8/20 µs waveform, providing robust protection against large surges.
Is this surge arrester suitable for high-altitude installations?
The surge arrester is suitable for installations at altitudes up to 2000 meters above mean sea level.
What certifications does this surge arrester have?
The surge arrester has several certifications, including ÖVE, CCA, IECEE CB Scheme, GL, UL Recognized, cUL Recognized, EAC, and cULus Recognized, ensuring compliance with international standards.
What type of mounting does this surge arrester support?
The surge arrester is designed for DIN rail mounting, which is a standard type of installation in electrical enclosures.
What is the response time of this surge arrester?
The response time of the surge arrester is less than or equal to 25 nanoseconds, ensuring quick protection against transient surges.
Does this surge arrester come with a remote indication contact?
This model can come with or without a floating remote indication contact, which can be used for remote monitoring of the surge arrester's status.
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