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Approvals & Standards

  • IEC 61643-11
  • EN 61643-11

Key features & benefits

Mersen’s Surge Trap STMT Series features low voltage surge protective devices suitable for both AC and DC voltage applications. This series is ideal for the protection of controls, power supplies, communication systems, and other sensitive equipment. With a slim design, these DIN-rail mount SPDs are ideal for limited space applications. The series is suitable for operating voltages of 12-230 VAC and 24-365 VDC and offers an optional dry contact feature for remote monitoring.

More specifications

Applications

  • Building
  • Outdoor LED Lighting
  • Photovoltaic and BESS
  • E-Mobility - EV Charging
  • Industry
  • Telecom
  • Water treatment

Product Specifications

Item Number

83230510  

Catalogue No.

STMT23-20K275V-SP-S  

Description

Surge Protection Device Type 2+3, 20kA Imax (8/20), 1Ph+N, 230/-V, Slim, SP TT/TNS, 2 Poles, Monobloc, 1 Module  

EAN/UPC Code

8435297850519  

ROHS Compliant

Yes  

IEC SPD Type

Class II + III  

UL SPD Type

Type 4 Component Assembly  

Format

Slim Monobloc  

Nominal Operating Volt Rating (Un)

230  

AC or DC

AC  

Nominal Discharge Current (In) (8/20)

10kA  

Max Discharge Current : Imax (8/20)

20kA  

Protection Modes

L-N / L-PE  

System Configuration

TT, TNS  

Combined Discharge Voltage (1,2/50) (Uoc)

10   kV

Design Details

Slim  

Number of Poles

2-Pole  

Torque Rating

6.196   lb-in

Max. Back-Up Fuse

63 A [gG]  

Housing Material

PC+GF  

MOV Response Time

25   ns

Installation Mounting

DIN Rail  

Uc (L-N)

275   V

Up at In (N-PE)

≤1,4   kV

Up at In (L-N)

≤1,4   kV

Up at In (L-PE)

≤1,4   kV

Up at In (L1-L2)

≤1.4   kV

MCOV L-G

275   V

MCOV N-G

275   V

MCOV L-N

275   V

MCOV DC+ DC-

365   V

MCOV DC+ G

365   V

MCOV DC- G

365   V

MLV (L-N)

≤ 0.96   kV

MLV (N-G)

≤ 1.04   kV

MLV (L-G)

≤ 1.04   kV

Product Weight

0.143   lb

Product Width

0.71   in

Product Length

2.56   in

Product Height

3.35   in

Sell Pack Quantity

1   EA

Sell Pack Weight

0.194   lb

Sell Pack Width

0.94   in

Sell Pack Length

4.61   in

Sell Pack Height

3.54   in