Industrial Solid State Relay 150A/200A/250A/300A DC-AC SSR

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$102.86

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Stock: In Stock
Model: RDDLZ-GYSSR-200DA
Weight: 1.00
SKU: RDDLZ-GYSSR-200DA

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Industrial solid state relay can be selected in the load current range of 150 Amp, 200 Amp, 250 Amp and 300 Amp. This single phase SSR is DC control AC type, applicable for petrochemical equipment, pharmaceutical machines, food machines, packaging machines, plastic machines, CNC machine tool and other automatic control systems.

Specification

Model	RDDLZ-GYSSR-150DA(H3)	RDDLZ-GYSSR-200DA(H3)	RDDLZ-GYSSR-250DA(H3)	RDDLZ-GYSSR-300DA(H3)
Control Voltage	3-32VDC
Control Current	DC 7-32mA
Load Current	150A	200A	250A	300A
Load Voltage	24-440V AC
On-State Voltage Drop	≤1.5V
Off-State Leakage Current	≤4mA
Off-State Time	≤10mS
Dielectric Strength	2500V AC
Insulation Resistance	1000MΩ/ 500V DC
Ambient Temperature	-20 ~ +70℃
Mounting Method	Bolt Fixing
Working Indicator	LED
Weight	230g
Dimension (LWH)	943442mm
Heat Sink (Optional)	More info., please click here.

Dimension (Unit: mm)

Wiring Diagram

Operation Note

1. For the resistive load, it can not exceed 60% of the rated current of the SSR.
2. For the inductive or capacitive load, it can not exceed 40% of the rated current of the SSR.
3. For the electric motor, it can not exceed 20% of the rated current of the SSR.
4. Proper radiator or heat sink should be equipped for the industrial solid state relay. If the load cooling condition is not good, it is necessary to leave some margin. Avoid the load short circuit because over current and short circuit are the main causes for permanent damage of the internal SCR of the SSR.
5. Over current protection: Using fast fuse and air switch is one of the methods for over current protection; fuse is also available for small capacity.
6. Over voltage protection: It can adopt the parallel voltage-dependent resistor (MOV). The MOV area decides the absorption power, and its thickness decides the protective voltage value. Generally, 471/10D voltage-dependent resistor is suitable for 220V series SSR, 681/10D voltage-dependent resistor for 380V series SSR, and 821/10D voltage-dependent resistor for 480V series SSR.

Tips: Usage of Solid State Relay – Inductive Load

Although AC solid state relay is cut off at zero current, there will be still some problems due to other causes. On the moment of zero current, the SSR will changeover (reverse current direction) at which the SSR does not conduct the current. All the transient line voltage is bridged over on the connection terminal, which produce a high dv/dt to make the SSR breakover at once, so as to have the SSR “lock up” state without release. Most of AC SSR has RC to enhance the capability against dv/dt. For DC inductive load, there will be high back EMF when it starts up. It can add the freewheeling diode in the two ends of load to make the DC solid state relay work reliable.

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