1. The panel has a green alarm indicator and a red power indicator;
2. Conventional 220VAC power supply (24VDC power supply must be explained before placing the order);
3, with two DC24V DC power supply, for the differential pressure controller to use electricity;
4. The differential pressure controller senses the change of the pressure difference on both sides of the fire door, and controls the opening and closing of the bypass pressure relief valve through the control box;
5. The bypass pressure relief valve control box adopts intermediate relay design, which is safe and reliable, and the contact capacity is 220VAC/5A or 24VDC/5A;
6. There are two types of control electric box: ordinary type and waterproof type, which can meet the needs of different customers for indoor installation or outdoor installation.
7, weight: 5KG
This product is divided into indoor environment and outdoor stainless steel type.
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