Products

Mersen Brand Surge Protection Device STPT2-40K320V-

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Approvals & Standards

The Mersen STPT2-40K320V-4PG is rigorously tested and meets the following industry standards:

  • IEC 61643-11
  • EN 61643-11
  • UL 1449 4th Edition

Key Features & Benefits

The Mersen STPT2-40K320V-4PG is designed to offer robust protection against voltage surges. Here are the standout features and benefits:

High Discharge Capability

  • Maximum Discharge Current: 40kA per phase (8/20μs)
  • Nominal Discharge Current: 20kA per phase (8/20μs)

Versatile Network Compatibility

  • Compatible with TNS, TNC, TT, and IT networks
  • Supported voltage ranges: 48V, 60V, 120/208V, 230/400V, 277/480V, 400/690V, and higher

Installation and Maintenance

  • DIN-rail Mountable: Easy and secure mounting
  • Plug-in Format: Simplifies installation and replacement
  • Visual and Remote End-of-Life Indicators: Ensures timely maintenance
  • Reversible Chassis: Allows cable entry from above or below, providing installation flexibility
  • Mechanically Coded Cartridges: Prevents cartridge replacement errors
  • Back-up Fuse: 125 A gG for additional safety

Applications

The Mersen STPT2-40K320V-4PG is ideal for a wide range of applications, providing reliable surge protection in various settings:

Industry and Automation

  • Protects sensitive equipment in industrial environments

Commercial and Residential Installations

  • Ensures safety and reliability in both commercial buildings and homes

Telecom, IT, and Data Centers

  • Safeguards critical infrastructure in communication and data storage facilities

LED Outdoor Lighting

  • Maintains the functionality of outdoor lighting systems, especially in adverse weather conditions

Water Treatment

  • Protects control systems in water treatment plants from surge damage

Smart Grid and LV Metering

  • Integral to smart grid operations and low-voltage metering systems

Photovoltaic and Wind

  • Essential for renewable energy installations, providing protection against voltage surges

Overall

The Mersen STPT2-40K320V-4PG is a versatile and reliable surge protection device designed for a variety of applications. With its compliance with international standards, high discharge capacity, and ease of installation, it is an excellent choice for protecting electrical systems from damaging voltage surges.

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Description

Product Specifications

Item Number

83020148

Catalogue No.

STPT2-40K320V-4PG

Short Description

SPD Type 2, 40kA, Uc320V, 3+1 TT, 4 Poles, 4 Modules, Pluggable

EAN/UPC Code

8435297850854

ROHS Compliant

Yes

IEC SPD Type

Type 2 / Class II

Format

Pluggable

Nominal Operating Volt Rating (Un)

277 / 480   V

AC or DC

AC

Nominal Discharge Current (In) (8/20)

20kA

Max Discharge Current : Imax (8/20)

40kA

System Configuration

TT. TNS

Following Current (Ifi)

0,1   kA

Short Circuit Current Rating (SCCR)

50 … 100   kA

Short Circuit Withstand (ISCCR)

25   kA

Indication System

Yes

Indication System Type

Visual Indicator

Number of Poles

4-Pole

Torque Rating

26.552   lb-in

Max. Back-Up Fuse

125 A gG

Housing Material

PA66 CT1; V-0

MOV Response Time

25   ns

Uc (L-N)

320   V

Uc (N-PE)

277   V

Up at In (N-PE)

≤1.5   kV

Up at In (L-N)

≤1.5   kV

MCOV L-G

320   V

MCOV L-L

640   V

MCOV N-G

277   V

MCOV L-N

320   V

VPR L-G

1500   V

VPR L-L

2000   V

VPR N-G

700   V

VPR L-N

1200   V

Replacement Plug N-PE

SP2-40K-N

Replacement Plug L-N

SP2-40K320V

Product Weight

0.882   lb

Product Width

2.83   in

Product Length

2.76   in

Product Height

3.54   in

Sell Pack Quantity

1   EA

Sell Pack Weight

0.882   lb

Sell Pack Width

3.15   in

Sell Pack Length

4.13   in

Sell Pack Height

3.15   in