Mersen Surge Protector Type 2 SPD 1 Pole 690 Volt 15KA
Mersen STPT2-30K750V-1P Type 2 surge protection device with 30 kA maximum discharge current rating and 750 V UC for 690 V AC single-phase L-N electrical systems.
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Why Choose the Mersen 83020100 STPT2-30K750V-1P Surge Protection Device?
The Mersen 83020100 STPT2-30K750V-1P is a reliable Type 2 Surge Protection Device (SPD) designed to protect low-voltage electrical installations against transient overvoltages. Built for industrial, commercial and infrastructure applications, it helps safeguard electrical distribution systems, control panels and sensitive connected equipment from damaging surge events.
Part of the trusted Mersen Surge-Trap® Pluggable STPT2 Series - 40kA, this DIN rail mounted surge protection device provides dependable secondary surge protection in a compact pluggable format. Its single-pole design makes it suitable for higher voltage single-phase applications where line-to-neutral surge protection is required.
Designed for 690 V AC single-phase L-N electrical systems, the STPT2-30K750V-1P features a 750 V UC maximum continuous operating voltage and a 30 kA Imax (8/20 μs) maximum discharge current rating. Its pluggable 1-module construction supports straightforward installation and simple maintenance in electrical distribution panels.
Key Advantages
Type 2 surge protection for transient overvoltage protection.
30 kA Imax (8/20 μs) maximum discharge current capability.
Designed for 690 V AC single-phase L-N systems.
750 V UC maximum continuous operating voltage.
1-pole, 1-module pluggable design for straightforward maintenance.
DIN rail mounting for quick installation in electrical distribution panels.
Suitable for secondary protection where Type 1 surge protection is installed upstream.
Key Features
Mersen Surge-Trap® Pluggable STPT2 Series - 40kA.
Type 2 / Class II surge protection device.
30 kA Imax (8/20 μs) maximum discharge current.
690 V AC nominal operating voltage.
750 V UC maximum continuous operating voltage.
Designed for single-phase L-N protection.
1-pole, 1-module pluggable format.
Visual indication system for replacement status.
Reliable Protection Against Transient Overvoltages
Type 2 surge protection devices help reduce the risk of equipment damage caused by switching operations, induced surges and transient overvoltage events. Installed within distribution panels, they provide an important layer of protection for downstream electrical equipment and control systems.
The Mersen STPT2 Series is designed for demanding electrical environments, offering dependable surge protection for switchboards, automation systems, commercial buildings, industrial machinery and infrastructure installations where operational continuity is essential.
Typical Applications
Electrical distribution boards.
Higher voltage single-phase installations.
Industrial control panels.
Commercial building electrical systems.
Automation and machinery control systems.
Telecom, IT and data centre power systems.
Infrastructure and utility installations.
Technical Specifications
Voltage
690 V
Phase
Single Phase
Manufacturer
Mersen
Series
Surge-Trap® Pluggable STPT2 Series - 40kA
Model
STPT2-30K750V-1P
Part number
83020100
EAN/UPC
8435297850625
Product type
Type 2 Surge Protection Device
IEC classification
Class II
UL SPD type
Type 2 Component Assembly
Nominal operating voltage (Un)
690 V AC
Maximum continuous operating voltage (Uc)
750 V AC
System configuration
1Ph, L-N
Protection mode
L-N
Maximum discharge current (Imax)
30 kA (8/20 μs)
Short circuit withstand (ISCCR)
25 kA
Number of poles
1
Number of modules
1
Mounting type
DIN rail
Format
Pluggable
Indication
Visual status indicator
Replacement plug
83020007
Protection rating
IP20
Standards
EN IEC 61643-11 / UL 1449
RoHS compliant
Yes
HS Code
85363090
Country of Manufacture
Spain
Frequently Asked Questions
What is the Mersen 83020100 used for?
It is used to protect low-voltage electrical installations against transient overvoltages and surge events.
What type of surge protection device is this?
The 83020100 is a Type 2 / Class II surge protection device designed for transient overvoltage protection.
What electrical system is this device designed for?
It is designed for 690 V AC single-phase L-N electrical systems.
What is the maximum discharge current rating?
The device provides a 30 kA Imax (8/20 μs) maximum discharge current rating.
How is this SPD installed?
It is designed for DIN rail mounting within electrical distribution panels and uses a compact pluggable 1-module format.
Trusted for Industrial Electrical Protection
Mersen Surge-Trap® surge protection devices are trusted by electrical engineers, panel builders and industrial facilities worldwide to provide dependable protection against switching surges, transient overvoltages and electrical disturbance.
Voltage
690 V
Phase
Single Phase
Manufacturer
Mersen
Series
Surge-Trap® Pluggable STPT2 Series - 40kA
Model
STPT2-30K750V-1P
Part number
83020100
EAN/UPC
8435297850625
Product type
Type 2 Surge Protection Device
IEC classification
Class II
UL SPD type
Type 2 Component Assembly
Nominal operating voltage (Un)
690 V AC
Maximum continuous operating voltage (Uc)
750 V AC
System configuration
1Ph, L-N
Protection mode
L-N
Maximum discharge current (Imax)
30 kA (8/20 μs)
Short circuit withstand (ISCCR)
25 kA
Number of poles
1
Number of modules
1
Mounting type
DIN rail
Format
Pluggable
Indication
Visual status indicator
Replacement plug
83020007
Protection rating
IP20
Standards
EN IEC 61643-11 / UL 1449
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
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Support for engineering, maintenance, and operations
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Stock lines ready to ship
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Same day dispatches
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Customers supported
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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...