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Functional Features: Provides electrical isolation between control circuits and high-power loads; robust construction for long mechanical life.
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Application Scenarios: Functions as an interposing relay for interlocking sequences, alarm annunciation, and circuit breaker trip coils.
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Material Composition: Phenolic bobbin, silver alloy contacts, and a steel frame for magnetic shielding.
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Installation Requirements: Standard 35mm DIN rail mounting; screw-type terminals require proper torque to prevent overheating.
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Usage Notes: Check contact integrity periodically; replace if pitting or welding is observed due to excessive inrush currents.