SHJ400 Ex Control Box

Model: SHJ400
Name: Ex Control Box
Ex Mark: ExdⅡCT6/DIP A20 TA,T6
IP Level: IP68

Description

SHJ400 Explosion-proof Control Box is designed for use in explosive atmosphere such as gas group ⅡC (typical gas vapours: hydrogen, acetylene, ethene, coke-oven gas and methyl ether etc.) as well as flammable dust.

It is the remote front-end device that provides pan/tilt, camera’s lens aperture, zoom / focus and miscellaneous function control by matching monitoring host computer and decoding monitoring host computer’s signal.

Model		SHJ400
Certification Parameter	Manufacturers Standard	GB3836-2000, GB12476.1-2000
	Configuration Mode	Explosion-proof spigot joints
	Explosion-proof mark	ExdII CT6/DIP A20 TA, T6
	IP	IP68
	Operating environment	Below IIC gas (hydrogen, acetylene, ethene, coke-oven gas, methyl ether etc.) and flammable dust
	Operating temperature	-25°~60℃_note1
	Relative Humidity	≤95% （+25℃）
	Cable entries	3×G1/2”Ex-cable entries , inner hole Dia.ф12
Mechanical Features	Material	Carbon steel / Stainless steel (304/316L)
	Dimensions (L×W×H)	260×225×160 mm
	Inside dimensions	ф149×110 mm
	Weight	4.5 kg _note2
Built-in Decoder	Mode	Basic mode
	Controlling Device	MS-51 Singlechip
	Communication Interface	RS-485 Half Duplex
	Communication Distance	1200
	Communication Protocol	PELCO-D (other protocols replaced according to customer’s demands)
	Baud Rate	2400 4800 9600 19200
Power supply	Voltage	24V DC/220V AC
Power supply	Current	2 A /0.5 A
Others	Decoder	Optional
	Heater	Optional
	Cable requirement	Power supply: 2X1.0 mm²（24V DC）/ 2×0.75 mm² (220V AC ) Communication: Shield 2×0.75 mm²

Note1: Minimum temperature reaches -45°C after heater is used.
Note2: Decoder weight not included
Actual index is in accordance with instruction book. Products design and specifications subject to change without notice.

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