Industrial Grade Solid State Relays Module DC-AC SSR-100DA ~ 400DA Single-phase

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Product Description:<br>※ ※ ※ Product Name: Industry Solid State Relay<br>※ ※ ※ Product model: 100/120/150/200/250/300/350/400DA optional<br>※ ※ ※ Current: DC controlled AC<br>※ ※ ※ Control voltage: 4-32VDC<br>※ ※ ※ Load voltage: 30-480VDC<br>※ ※ ※ On-off time: ≤10MS<br>※ ※ ※ Ambient temperature: -30°C~+70°C<br>※ ※ ※ Product features: strong anti-interference, convenient installation, silent, no contact, no spark, etc.<br>※ ※ ※ Isolation voltage＞2500VAC<br>※ ※ ※ Three Misunderstandings in the Selection of Solid State Relays<br>※ ※ ※<br>※ ※ ※ Misunderstanding 1: Solid state relay is a complete AC contactor;<br>Answer: a: Solid state relays have no auxiliary contacts<br>b: The solid-state relay will generate heat when it is working, and it must be used with a radiator. For high power, fan cooling or water cooling is required.<br>※ ※ ※ Misunderstanding 2: The identification current of the solid state relay is the actual working current;<br>Answer:<br>a: The solid state relay needs to leave a margin when selecting the model<br>b: Option formula<br>①Pure resistance is 2.5 times, actual current (A) × 2.5 = solid state relay current (A)<br>②7 times of inductive load, actual current (A) × 7 = solid state relay current (A)<br>For example (resistance): the customer needs 50A, the formula is: 50*2.5=125A, it is recommended to buy 150A or above.<br>For example (perceptual): the customer needs 50A, the formula is: 50*7=350A, it is recommended to buy 350A or above.<br>※ ※ ※ Misunderstanding 3: The safe service life is 6 years, that is, the product will be automatically damaged after 6 years;<br>answer:<br>a. The service life of 6 years is the safe replacement cycle established by the engineering department<br>b. After 6 years, the product is still intact, but the safety cycle has passed.<br>※ ※ ※ Reminder:※ ※ ※ ※ ※ ※ ※ ※ ※ ※ ※ ※ ※ ※ ※<br>1. The solid-state relay generates a lot of heat. When the load current is greater than 10A, it needs to be used with a radiator. Apply thermal grease between the solid-state relay base plate and the radiator, and add a fan for forced cooling above 60A.<br>2. In the closed state, there is an off-state leakage current ≤ 5mA, which is not applicable to special scenarios. Please purchase with caution.<br>Package Include:<br>According to your Choose!<br>