The TM172PDG28RI is a multi-function, DIN rail mounted digital timer relay from Schneider Electric's Harmony control relay series. It is designed to provide precise and reliable time-delay functions for a wide range of industrial automation and control applications.
Specifications:
Parameter Specification
Product Range Harmony Control Relays (TM172 Series - Digital Timer)
Device Type Multi-Function Digital Timer Relay
Power Supply Voltage 24-240V AC/DC (Wide Range). The "PDG28RI" suffix typically indicates this universal supply range.
Power Consumption Approx. 3 VA (AC) / 2 W (DC)
Timing Ranges Multiple ranges selectable (e.g., 0.1s → 10h, 1s → 100h). Exact ranges depend on the selected mode and setting.
Timing Accuracy Typically ±0.5% of set value ± 20 ms (digital precision).
Number of Outputs 2 Changeover Contacts (2 CO/DPDT)
• 1 Timed Contact
• 1 Instantaneous Contact
Output Contact Rating 8 A @ 250V AC (Resistive)
5 A @ 250V AC (Inductive, cos φ=0.4)
8 A @ 30V DC (Resistive)
Output Configuration DPDT (2 Form C) for each output.
Programming/Setting Via front-face DIP switches (for function selection) and a potentiometer or digital thumbwheel switches (for time setting). Variants may include a digital display.
Mounting DIN Rail (35mm)
Operating Temperature -20°C to +55°C
Standards & Approvals UL 508, CSA, IEC/EN 61812-1, CE, RoHS