Mt3021 Manual (2026)

Comprehensive Guide to the MT3021 Manual: Operation and Safety

Terminal Identification (Assuming 8-pin circular base)

• Pin 1 & 2: Power supply input (24V AC/DC – check manual for polarity if DC).
• Pin 3: Common (COM) for output relay contact.
• Pin 4: Normally Open (NO) output contact.
• Pin 5: Normally Closed (NC) output contact.
• Pin 6: Trigger input (rising edge activation).
• Pin 7: Reset input (active low or high – see manual timing chart).
• Pin 8: Ground/shield for sensitive circuits.

Revision History

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