SIL3 arrester "D9000 Series"

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last updated：Feb 18, 2026

GMI Japan KK

Official site

D9000 series provides surge protection for all kinds of applications in different industries such as Oil&Gas, Petrochemical, Steel etc. avoiding signal interruption and protecting control room equipment.

The "D9000 Series" is a SIL3 lightning arrester (arrester) designed for use in all applications including oil and gas, petrochemicals, steel, and more, with explosion-proof specifications. It features built-in knife switches for each channel and can be installed in Zone 1 and Zone 2 hazardous locations, accommodating signal inputs from Zone 0 (Zone 20). Versions with built-in fault indication and hot-swappable modules are also available. 【Features】 ■Easy maintenance: integrated knife disconnection technology for each channel ■Quick wiring: grounding path via contact to DIN-rail ■Reduced spare inventory: surge protection for most I/O signals; AI, AO, DI, DO. Nominal 24V DC, maximum 30V(Both I.S. And N.I.S.) ■Increase the discharge capacity and reduce the response time: 2-stage protective circuit (diode, gas-discharge tube) ■Unlimited IS applications: input from zone 0 (zone 20),installation in zone 1 and 2 ■Fits in any SIL loop: SIL3 certification ■Protection level: up to 20 KA ■Simple testing and documentation, reduced downtime:Hot swap plug module (I.E. D9510S, D9520S) ■Safe disconnection and signaling in case of overload *For more details, please download the PDF or feel free to contact us.

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basic information

【Other Features】 [Universal DIN-rail Surge Arrester] D9510S modules provide two-stage, SIL 3, surge protection for floating I/O signals for measurement in control and safety systems. Its slim width of only 6 mm allows for easy fitting into any marshalling or distribution cabinet saving space and installation costs. Disconnect knife on both signal paths are featured for easy testing of the loop. [Only 6,2 mm wide: asy fitting] ■ SIL 3 according to IEC 61508:2010 Ed.2 ■ Input from zone 0 (Zone 20), installation in zone 1 and 2 ■ Disconnection of signal circuit by disconnect knife ■ Protection of a floating double wire in intrinsically safe circuits ■ High density, 6.2 mm per channel ■ HART compatible [Cartridge & Fault Indication Surge Arrester] D9400/D9500 provides surge protection for floating I/O signal circuit in a SIL 3 compact package with or without removable cartridge configuration. The pluggable module and disconnect knife enable easy testing. Also featured local and remote module fault indications. In the event of an overload, a status indicator identifies the disconnection of the protective element without the need of auxiliary power supply; a remote indication set, for up to 40 modules at a time, is also available. Intrinsically safe certified for use in IS loops and for hazardous area installation. [Local & Remote Alarm Indication] ■SIL 3 according to IEC 61508:2010 Ed.2 ■Local and Remote fault indication ■Disconnection of signal circuit by disconnect knife ■Hot Removable plug module version available(D9500 version) ■EX-i Certified ■High Density 6.2 mm per channel ■Protection of a floating double wire in intrinsically circuits ■HART Compatible *For more details, please download the PDF or feel free to contact us.