Surge Protection Device GSD3-230/IT (LT), Cat. No. 300 108

Surge Protection Device GSD3-230/IT (LT), Cat. No. 300 108 — HAKEL OJSC

Name: Surge Protection Device GSD3-230/IT (LT), Cat. No. 300 108
Brand: K2
SKU: 271367
Availability: InStock

Brand: K2

$9 - $36 USD

MOQ: 200 pieces

Key Features

Operating voltage: 230 V

Number of channels: 1 pcs

maximum operating current (max.: 16 A

dimensions: -60...80

Supplier Information

HAKEL OJSC

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Description

The GSD3-230/IT is a Type III (Class 3) surge protection device manufactured by HAKEL JSC (АО «Хакель»), a St. Petersburg-based Russian developer and manufacturer of overvoltage protection equipment operating under the Klyuchevoy Komponent brand.

The device is designed for installation at the boundary of lightning protection zones 2–3 in low-voltage networks up to 1000 V in compliance with GOST R 50571-4-44-2011, GOST R 50571.5.53-2013, and GOST IEC 61643-11-2013. Built around a combination of zinc-oxide varistors and a gas-filled spark gap, the two-pole unit protects phase conductors in L1/L2, L1/PE, and L2/PE paths for AC circuits and the equivalent poles in DC circuits.

Rated at 230 V AC (or 300 V DC), it handles a maximum impulse current of 15 kA (8/20 μs waveform) and provides a protection voltage level Up < 1.3 kV on the line-to-neutral path. The compact monoblock housing — just 18 mm wide, mounting on a standard 35 mm DIN rail — is moulded from flame-retardant polyamide PA66 rated UL94 V-0.

A green LED built into the thermal disconnector circuit gives instant visual confirmation of operational status, while dry-contact outputs (contacts 11–12) allow remote signalling to monitoring systems. The device is manufactured under TU 3428-002-79740390-2007 and the manufacturer holds ISO 9001, STO Gazprom, SIL 2, and SIL 3 quality and safety certifications.

Details & Equipment

Wiring Diagrams

DC Connection

Wiring diagram for DC circuit protection: the GSD3-230/IT connects across the positive (L+) and negative (L–) poles, with the PE conductor providing the discharge path, rated Uo = 300 V DC.

AC Connection

AC wiring configuration showing phase conductors L1 and L2 connected via the two-pole SPD; protective earth (PE) serves as the reference, suitable for 230 V AC systems in IT and TN-S/TN-C networks.

Installation & Dimensions

DIN-Rail Mounting

The monoblock housing snaps onto a standard 35 mm DIN rail; the unit occupies exactly one DIN module (18 mm wide) with screw terminals on both sides accepting 0.25–4.0 mm² conductors, torqued to 0.5 N·m.

Dimensional Drawing

Overall envelope of the GSD3-230/IT: 18 mm wide × 91 mm tall × 65 mm deep; weight 0.057 kg. The drawing also shows the LED indicator window and the remote signalling terminal positions.

Features

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15 kA Impulse Rating

Handles a peak discharge current of Imax(8/20) = 15 kA with a nominal discharge current of In(8/20) = 7.5 kA, meeting Type III SPD requirements per GOST IEC 61643-11.

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AC & DC Protection

Rated 230 V AC / 300 V DC, the unit protects phase and neutral conductors in IT, TN-S, and TN-C grounded systems, as well as positive and negative poles in DC circuits.

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Visual & Remote Status

A green LED on the thermal disconnector lights when the SPD is healthy and extinguishes on failure; dry-contact output (contacts 11–12 closed = OK) enables SCADA or BMS integration.

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Compact DIN-Rail Design

One DIN module wide (18 mm), monoblock housing in UL94 V-0 flame-retardant PA66, mounts on 35 mm DIN rail with screw terminals accepting 0.25–4.0 mm² conductors.

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Fast Response Time

Activation time under 25 ns on the line-to-neutral path and under 100 ns on the line-to-PE path, minimising transient energy let-through to protected equipment.

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Multi-Standard Compliance

Certified to GOST IEC 61643-11-2013, GOST R 50571-4-44-2011, GOST R 50571.5.53-2013, and SO-153-34.21.122-2003; manufacturer holds ISO 9001 and SIL 2/3 certifications.

Buyer Benefits

Eliminates residual surge energy reaching terminal equipment when installed directly downstream of Class I/II SPDs
Compatible with IT, TN-S, and TN-C grounding systems in a single product, reducing inventory requirements
Integrated thermal disconnector prevents fire or sustained fault current if varistor degrades over time
Remote dry-contact output enables condition monitoring without physical panel access, supporting predictive maintenance
Single DIN module width (18 mm) conserves scarce panel space in compact switchgear enclosures
Short-circuit current rating of 6 kArms permits use without additional current-limiting components in most distribution systems
Russian-manufactured with full domestic standards certification, simplifying procurement for state and regulated-sector projects

Applications

Low-voltage switchboards and distribution panels in industrial facilities and commercial buildings Protection of automation and PLC equipment at the boundary of lightning protection zones 2–3 Medical-grade IT-system power distribution where isolated-neutral grounding is mandatory Solar photovoltaic and battery energy storage DC bus protection Machine tool and robotic cell control panels using IT or TN-S grounding Railway trackside equipment cabinets and transport infrastructure electrical panels Process plant instrumentation cabinets in oil, gas, and chemical industries Building management and fire alarm panel power supply protection

Source: official manufacturer website