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