Explosion-proof fire hydrant button
J-SAB-EI8022EX
Features
1.Excellent explosion-proof performance and good resistance to chemical corrosion, suitable for hazardous locations in Zones 1, 2, 21, and 22 of the petroleum and chemical industries that require explosion protection, meeting the requirements of various harsh environments.
2.Uses a dedicated key for reset; can report start-up and faults.
3.Features both gas and dust explosion-proof markings.
Technical Parameter
| Operating Environment |
Temperature: -10℃ to +55℃; Humidity: ≤95%RH (non-condensing) |
| Operating Voltage |
DC24V |
| Operating Current |
Monitoring status ≤0.3mA; Start-up status ≤0.8mA; Additional current increase when the answer indicator is lit ≤0.3mA |
| Explosion-proof Mark |
Ex db IICT6Gb, Extb IIIC T80°C Db |
| Wire Type |
Two-wire bus (non-polarized) |
| Button Contact Capacity |
DC24V/0.1A |
| Indicator Lights |
Red start confirmation light: constantly on in start-up status, flashing in normal monitoring status; Green answer confirmation light: constantly on when answering. |
| Enclosure Protection Rating |
IP66 |
| Enclosure Material and Color |
Die-cast aluminum alloy ADC12 bright red |
| Base Mounting Hole Spacing |
120mm |
| Dimensions |
140mm×136mm×90mm (including base) (Length×Width×Height) |
| Applicable Standards |
GB19880-2005 "Manual Fire Alarm Button", GB/T3836.1-2021 "Explosive Atmospheres Part 1: Equipment General Requirements", GB/T3836.2-2021 "Explosive Atmospheres Part 2: Equipment Protected by Flameproof Enclosures 'd'", GB3836.4-2021 "Explosive Atmospheres Part 31: Equipment Protected by Flameproof Enclosures 't'", GB3836.4-2021 "Explosive Atmospheres Part 31: Equipment Protected by Flameproof Enclosures 't'" |
| Applicable places |
Suitable for Zone 1 and Zone 2 hazardous gas locations with explosion-proof requirements in petroleum, chemical and other industries, and explosive gas or vapor environments of Class IIA, IIB, and IIC, T1-T6 groups. |
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