Technical Parameters)
Parameter Specification Notes
Model ETR4-70B-AB Electronic Time Relay
Product Type Multi-function Timer
Operating Voltage (Us) 24-240 V AC/DC This is a key feature of the "AB" suffix. Wide-range, auto-sensing supply.
Timing Range 0.05s - 300h Extremely wide range, selectable via sub-ranges.
Switching Capacity 8 A / 250 V AC (AC-1)
8 A / 30 V DC (DC-1) Resistive load ratings.
Output Type 1 Changeover (CO) Relay Contact SPDT (1 normally open + 1 normally closed)
Number of Time Ranges 7 Selectable via the rotary switch.
Number of Functions 10+ e.g., On-delay, Off-delay, Interval, Star-Delta, Flasher.
Repeat Accuracy < 0.5% of set value + 10 ms
Mounting DIN Rail (35mm)
Terminal Type Screw Clamp
Degree of Protection IP20 (front), IP40 (terminal)
Agency Approvals UL 508, CSA, CE, cULus, RoHS
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