Mersen Surge Protector Type 2+3 SPD 1 Pole 120 Volt 10KA L-N
Mersen 83230100 STPT23-20K150V-1P Type 2+3 surge protection device with 20 kA maximum discharge current, 150 V AC Uc, 120 V AC operation, L-N protection mode and one-pole pluggable DIN rail construction.
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Why Choose the Mersen 83230100 Surge Protection Device?
The Mersen 83230100 STPT23-20K150V-1P is a compact Type 2+3 surge protection device (SPD) designed to protect low-voltage electrical installations from transient overvoltages caused by switching operations and indirect lightning activity. As part of the Mersen Surge-Trap® Pluggable STPT23 Series - 20kA, it provides fine voltage protection for sensitive electrical and electronic equipment.
This pluggable surge protection device is suitable for use as a final stage of protection, particularly where Type 2 surge protection is installed upstream. Its single-pole, one-module construction makes it easy to install in compact distribution boards, control panels and equipment protection enclosures.
With a 20 kA maximum discharge current, 150 V AC maximum continuous operating voltage and L-N protection mode, the Mersen 83230100 is designed for 120 V AC single-phase systems. Its DIN rail mounting format allows straightforward installation in electrical panels close to the equipment being protected.
Key Advantages
Compact Type 2+3 surge protection device for low-voltage installations.
20 kA maximum discharge current for effective transient overvoltage protection.
Designed for 120 V AC single-phase systems.
L-N protection mode for line-to-neutral applications.
Pluggable cartridge design allows quick replacement during maintenance.
One-module DIN rail format saves space inside electrical panels.
Key Features
Mersen Surge-Trap® Pluggable STPT23 Series - 20kA.
Type 2+3 / Class II+III surge protection.
20 kA Imax (8/20 μs) maximum discharge current.
120 V AC nominal operating voltage.
150 V AC Uc maximum continuous operating voltage.
1Ph electrical system configuration.
L-N protection mode.
Single-pole, one-module pluggable construction.
DIN rail mounting for distribution boards and control panels.
Suitable as final stage surge protection close to sensitive equipment.
Fine Surge Protection for Sensitive Equipment
Type 2+3 surge protection devices are used to limit transient overvoltages while providing a fine voltage protection level close to sensitive electrical equipment. They are commonly installed downstream of upstream Type 2 SPDs to improve protection coordination and reduce the risk of damage to connected devices.
The Mersen STPT23-20K150V-1P combines compact dimensions with a pluggable construction, making it a practical choice for contractors, panel builders and maintenance engineers protecting single-phase electrical circuits and sensitive equipment.
Typical Applications
Single-phase electrical distribution boards.
Control panels and equipment enclosures.
Building services and automation equipment.
Power supplies and monitoring devices.
Commercial electrical installations.
Final stage surge protection close to sensitive loads.
Technical Specifications
Voltage
120 V
Phase
Single Phase
Manufacturer
Mersen
Series
Surge-Trap® Pluggable STPT23 Series - 20kA
Model
STPT23-20K150V-1P
Part number
83230100
EAN / UPC
8435297850526
Product type
Type 2+3 surge protection device
SPD type
Type 2+3 / Class II+III
Maximum discharge current (Imax)
20 kA
Waveform
8/20 μs
Nominal operating voltage
120 V AC
Maximum continuous operating voltage (Uc)
150 V AC
Electrical system
Single phase
Protection mode
L-N
Number of poles
1
Module width
1 module
Format
Pluggable
Mounting type
DIN rail
Protection rating
IP20
Dimensions (W × H × D)
approx. 24 × 90 × 117 mm
Weight
approx. 0.124 kg
Standards
EN IEC 61643-11
HS Code
85363090
Country of Manufacture
Spain
Frequently Asked Questions
What is the Mersen 83230100 used for?
The Mersen 83230100 is used to protect low-voltage single-phase electrical installations from transient overvoltages caused by switching events and indirect lightning activity.
What type of surge protection device is it?
It is a Type 2+3 / Class II+III surge protection device designed for fine surge protection close to sensitive equipment.
What is the maximum discharge current?
The device has a maximum discharge current of 20 kA with an 8/20 μs surge waveform.
What voltage system is this SPD suitable for?
The Mersen 83230100 is suitable for 120 V AC single-phase systems with a maximum continuous operating voltage of 150 V AC.
Is the Mersen 83230100 pluggable?
Yes. The STPT23-20K150V-1P has a pluggable one-module design, allowing the protection cartridge to be replaced quickly during maintenance.
Trusted for Electrical Protection Worldwide
Mersen Surge-Trap® surge protection devices are trusted by electrical contractors, panel builders and industrial engineers to help protect critical electrical systems from damaging transient overvoltages.
Voltage
120 V
Phase
Single Phase
Manufacturer
Mersen
Series
Surge-Trap® Pluggable STPT23 Series - 20kA
Model
STPT23-20K150V-1P
Part number
83230100
EAN / UPC
8435297850526
Product type
Type 2+3 surge protection device
SPD type
Type 2+3 / Class II+III
Maximum discharge current (Imax)
20 kA
Waveform
8/20 μs
Nominal operating voltage
120 V AC
Maximum continuous operating voltage (Uc)
150 V AC
Electrical system
Single phase
Protection mode
L-N
Number of poles
1
Module width
1 module
Format
Pluggable
Mounting type
DIN rail
Protection rating
IP20
Dimensions (W × H × D)
approx. 24 × 90 × 117 mm
Weight
approx. 0.124 kg
Standards
EN IEC 61643-11
HS Code
85363090
Country of Manufacture
Spain
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...