Electro mechanical Relay
1. Its accuracy is very high.
2. Power consumption is high
3. There are moving parts in this relay.
4. Its operating time is comparatively high.
5. It needs more space.
6. Remote backup and monitoring is not possible.
7. Its operation can be affected by vibrations and shocks.
8. It is not affected by temperature changes.
9. Construction is robust.
10. These are affected by gravity.
11. Lower torque / weight ratio
12. Auxiliary power supply is not needed.
13. Not affected by voltage transients.
14. Cannot be programmed.
Static Relay
1. Its accuracy is comparatively low.
2. Power consumption is low
3. There are no moving parts in this relay
4. Its operating time is very small.
5. These are compact hence need less space
6. Remote backup and monitoring is possible.
7. Its operation cannot be affected by vibrations and shocks.
8. It is very much affected by temperature changes.
9. Construction is delicate.
10. These are not affected by gravity
11. Higher torque / weight ratio
12. Auxiliary power supply is needed.
13. Affected by voltage transients.
14. Can be programmed as per requirement.
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