The TM172PBG28R is a digital, multi-function timer relay from Schneider Electric's Harmony control relay series. It is designed for DIN rail mounting to provide precise time-delay control in automation circuits.
Specifications:
Parameter Specification
Product Range Harmony Control Relays (TM172 Series)
Device Type Multi-Function Digital Timer Relay
Power Supply Voltage 24V DC ("PBG" indicates DC supply)
Power Consumption Approx. 2 W
Timing Functions Configurable via DIP switches (On-Delay, Off-Delay, Interval, Pulse, etc.)
Timing Ranges Selectable ranges (e.g., 0.1s–10h, 1s–100h)
Timing Accuracy ±0.5% of set value ± 20 ms
Number of Outputs 2 Changeover Contacts (DPDT)
• Output 1: Timed Contact
• Output 2: Instantaneous Contact
Output Rating 8 A @ 250V AC (Resistive)
5 A @ 250V AC (Inductive)
8 A @ 30V DC (Resistive)
Setting Method DIP switches (function) + rotary potentiometer/thumbwheels (time)
Mounting DIN Rail (35mm)
Operating Temperature -20°C to +55°C
Standards & Approvals UL 508, CSA, IEC/EN 61812-1, CE, RoHS