£30.59Original price was: £30.59.£22.61Current price is: £22.61.
Why Choose the Mersen 83230102 Surge Protection Device?
The Mersen 83230102 is a high-performance Type 2+3 Surge Protection Device (SPD) designed to protect sensitive electrical and electronic equipment from transient overvoltages caused by lightning strikes and switching events. Part of the trusted Mersen Surge-Trap® STPT23 Series, it provides dependable surge protection for industrial, commercial and OEM electrical installations.
Featuring a compact pluggable modular design, this surge protection device simplifies installation and maintenance while ensuring reliable protection of control panels, automation systems and low-voltage distribution equipment. Its visual status indication enables quick inspection, helping minimise downtime and maintenance costs.
Designed for 230/277 V AC single-phase systems, the 83230102 provides an Imax surge discharge capacity of 20 kA (8/20 μs). It is ideal for protecting PLCs, drives, control systems, instrumentation and other critical electrical equipment installed within industrial environments.
Key Advantages
High-performance Type 2+3 surge protection device.
20 kA maximum discharge current (Imax) for reliable transient protection.
Compact 1-pole pluggable module for easy replacement.
Designed for 230/277 V AC single-phase installations.
Protects sensitive automation and electrical equipment from surge damage.
Suitable for industrial control panels, OEM machinery and commercial electrical systems.
Key Features
Mersen Surge-Trap® STPT23 Series.
Type 2+3 surge protection device (SPD).
20 kA Imax (8/20 μs).
320 V UC maximum continuous operating voltage.
230/277 V AC nominal operating voltage.
1-pole pluggable module.
DIN rail installation.
Visual end-of-life indication for simple maintenance.
Reliable Protection Against Transient Overvoltages
Surge protection devices divert damaging transient voltages safely to earth before they can reach sensitive electrical equipment. Installing a quality SPD helps reduce costly equipment failures, improves system reliability and extends the service life of connected devices.
The Mersen Surge-Trap® STPT23 range has been developed for demanding industrial and commercial applications where reliable protection of drives, PLCs, power supplies, instrumentation and automation equipment is essential.
Typical Applications
Industrial control panels.
Machine building and OEM equipment.
Automation and PLC systems.
Variable speed drives and motor control centres.
Commercial electrical distribution boards.
Critical process and instrumentation systems.
Technical Specifications
Voltage
277 V
Phase
Single Phase
Manufacturer
Mersen
Series
Surge-Trap® STPT23
Model
STPT23-20K320V-1P
SKU
83230102
Product type
Type 2+3 Surge Protection Device
Maximum discharge current (Imax)
20 kA (8/20 μs)
Nominal operating voltage (Un)
230 / 277 V AC
Maximum continuous operating voltage (Uc)
320 V AC
Number of poles
1
Format
Pluggable
Mounting type
DIN rail
SPD Classification
IEC Type 2+3 (Class II + III)
RoHS compliant
Yes
HS Code
85363090
Country of Manufacture
Spain
Frequently Asked Questions
What is the Mersen 83230102 used for?
It protects electrical installations and sensitive electronic equipment against transient overvoltages caused by lightning activity and electrical switching.
What type of surge protection device is this?
The 83230102 is a Type 2+3 surge protection device suitable for low-voltage AC electrical systems.
What electrical systems is it designed for?
It is designed for 230/277 V AC single-phase installations with a maximum continuous operating voltage of 320 V AC.
Is the module replaceable?
Yes. The pluggable design allows the protection module to be replaced quickly, simplifying maintenance and reducing downtime.
Where is this SPD typically installed?
It is commonly installed on DIN rails inside industrial control panels, switchboards and commercial electrical distribution systems.
Trusted by Electrical Professionals Worldwide
Mersen Surge-Trap® surge protection devices are trusted by electrical engineers, panel builders and industrial maintenance professionals to provide dependable protection for critical power and automation systems.
Voltage
277 V
Phase
Single Phase
Manufacturer
Mersen
Series
Surge-Trap® STPT23
Model
STPT23-20K320V-1P
SKU
83230102
Product type
Type 2+3 Surge Protection Device
Maximum discharge current (Imax)
20 kA (8/20 μs)
Nominal operating voltage (Un)
230 / 277 V AC
Maximum continuous operating voltage (Uc)
320 V AC
Number of poles
1
Format
Pluggable
Mounting type
DIN rail
SPD Classification
IEC Type 2+3 (Class II + III)
RoHS compliant
Yes
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
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...