SIR: Safety Interlock Relay
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Others
Language: English
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What is the full form of SIR?
SIR stands for Safety Interlock Relay. Fullformexpand.com has 111 other full forms for abbreviation SIR.
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"SIR." Fullformexpand.com, https://www.fullformexpand.com/sir/safety-interlock-relay. Accessed 19 Feb. 2026.
Fullformexpand.com, 2026. "SIR." Accessed February 19, 2026. https://www.fullformexpand.com/sir/safety-interlock-relay.
"SIR." (n.d.). Fullformexpand.com. Retrieved February 19, 2026, from https://www.fullformexpand.com/sir/safety-interlock-relay.
SIR. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/sir/safety-interlock-relay (Accessed: 19 February 2026).
Found 111 other full forms for SIR →
| Term | Full Form | Category |
|---|---|---|
| SIR | Safe Impact Round
| Others |
| SIR | Safety Information Registration
| Others |
| SIR | Said In Respect
| Others |
| SIR | Sample Inspection Report
| Others |
View All Abbreviations →
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