SYJ Series Rapid Pressure Rise Relay

SYJ series rapid pressure rise relay is a newly developed protective relay by Shenyang Deguang Electric Technology Co., Ltd., which uses the speed of pressure changes inside the oil tank as an electrical alarm signal. It is used to protect the oil tank safety of equipment such as transformers, power capacitors, and reactors.

Scope of use:

1. Suitable for oil immersed transformers, power capacitors, reactors, and other sealed oil immersed electrical oil tanks.

2. Environmental requirements: -30 ℃ to+70 ℃(can be customized according to user needs to support up to -45 ℃ to+70 ℃); Work environment requirements:- 30℃～+115℃(customizable according to user needs, can support up to -45 ℃~+115 ℃).

3. Relative humidity: not exceeding 95% at+20 ℃.

4. Protection level: IP55(Customizable according to user requirements). Scope of application: Altitude 0~4000m.

5. Power frequency withstand voltage: 2000V, 1min.

6. Insulation performance: 2500V, 1000M Ω.

SYJ9-50 Rapid Pressure Rise Relay

SYJ9-80 Rapid Pressure Rise Relay

The product provides a variety of color options, specifically described as follows:

Number	Assembly position		Thread specification	Recommended torque	Assembly tool specifications		Notes
1	Connecting terminal		M3	0.5～1Nm		PH2	Suggest manual installation
2	Terminal box cover		M5	4～5Nm		PH2	Suggest manual installation
3	Flange installation hole	SYJ-50	M12 Bolt	35～40Nm		19mm
		SYJ-80	M16 Bolt	65～75Nm		24mm
		SYJ-80	M20 Bolt	120～135 Nm		30mm

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