Compact three phase solid state relay
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Compact three phase solid state relay
Product | Three phase solid state relay with heatsink and din rail mount |
Model No.(DC to AC) | TSR1038DAS TSR1538DAS TSR2538DAS TSR3238DAS TSR4038DAS |
Model No.(AC to AC) | TSR1038AAS TSR1538AAS TSR2538AAS TSR3238AAS TSR4038AAS |
Control Method | 3-32VDC/90-250VAC |
Input Current | ≥ 5mA |
Operation Indicator | LED |
On-Off Time | ≤10ms |
Reliable Turn-off Voltage | ≤ 0.8VDC |
Output Voltage | 24-380VAC |
Rated Operating Current | 10A, 15A, 25A, 32A, 40A |
On-State Voltage Drop | ≤1.5V |
Minimum On-State Current | 50mA |
Off-State Leakage Current | ≤ 10mA |
Dielectric Strength | 2500VAC, 1 minute |
Insulation Voltage | ≥2500V |
Insulation Resistance | ≥100MΩ |
Operating Temperature | -35 to 75 ℃ |
Power Frequency | 50/60HZ |
Load Current Safety Factor | 2 times for resistive load, 3 times for inductive load |
Weight | 260g |
Part Numbers |
Control Method |
Control Voltage |
Rated Current |
Control Current |
Load Voltage | Heat Dissipation | Installation Method |
On-Off Time |
On-State Voltage Drop |
SSR10DAS | DC to AC | 3-32VDC | 10A | ≥10MA | 24-380VAC | Built-in Heatsink | Din rail mount | ≤10MS | ≤1.5V |
SSR15DAS | DC to AC | 3-32VDC | 15A | ≥10MA | 24-380VAC | Built-in Heatsink | Din rail mount | ≤10MS | ≤1.5V |
SSR25DAS | DC to AC | 3-32VDC | 25A | ≥10MA | 24-380VAC | Built-in Heatsink | Din rail mount | ≤10MS | ≤1.5V |
SSR40DAS | DC to AC | 3-32VDC | 40A | ≥10MA | 24-380VAC | Built-in Heatsink | Din rail mount | ≤10MS | ≤1.5V |
SSR10AAS | AC to AC | 90-250VAC | 10A | ≥10MA | 24-380VAC | Built-in Heatsink | Din rail mount | ≤10MS | ≤1.5V |
SSR15AAS | AC to AC | 90-250VAC | 15A | ≥10MA | 24-380VAC | Built-in Heatsink | Din rail mount | ≤10MS | ≤1.5V |
SSR25AAS | AC to AC | 90-250VAC | 25A | ≥10MA | 24-380VAC | Built-in Heatsink | Din rail mount | ≤10MS | ≤1.5V |
SSR40AAS | AC to AC | 90-250VAC | 40A | ≥10MA | 24-380VAC | Built-in Heatsink | Din rail mount | ≤10MS | ≤1.5V |
Here are the considerations for selecting solid-state relay products:
- When selecting a product, different current margins should be reserved based on the nature of the load. (For resistive loads, select 2-3 times the load current. For inductive or capacitive loads, select 3-5 times the load current.)
- According to the relationship between load current and ambient temperature, if the ambient temperature is high or the heat dissipation conditions are poor, the current capacity should be increased. To prevent load short circuits during use, it is required to connect a fast circuit breaker or fast fuse corresponding to this product in series in the load circuit.
- For inductive loads, a varistor should be connected in parallel at the output end to prevent damage to the thyristor due to overvoltage. Varistor (MOV) selection: choose 430-470V for the 240V range, 680-750V for the 440V range, and 1100-1200V for the 660V range.
- During installation, the contact surface between the heat sink and this product must be flat and smooth, and a layer of thermal grease should be evenly applied to its surface. Finally, tighten and fix the screws with flat washers and spring washers symmetrically.
- After the solid-state relay first stops working, the fixing screws should be tightened again while it is still warm to ensure that the base plate of the solid-state relay and the surface of the heat sink are in close contact, achieving optimal heat dissipation.
- The rated current of different models of solid-state relays is the rated current at an ambient temperature of 40℃, so adequate heat dissipation is necessary!
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