TM 345 M

TM 345 M

TM 345 M

Product catalog summary
Overview: The TM 345 M is an electronic time relay designed for universal use in controlling automatic processes such as machines, lighting, ventilation, heating, and cupboards. It features a locking snap switch for selecting time periods and various operating modes.
Specifications:
  • Operating Voltage: 12 – 240 V AC/DC
  • Frequency: 50 – 60 Hz
  • Width: 1 module
  • Stand-by Consumption: 1 W
  • Type of Contact: Changeover contact
  • Switching Capacity: 8 A at 250 V AC, cos φ = 1
  • Nominal Current: 10 mA - 20 A < 10 ms
  • Setting Range Time: 0.1 s – 100 h across 7 ranges
  • Electrical Service Life: 105 operating cycles
  • Protection: IP 20, Protection Class II
  • Ambient Temperature: -20°C to 60°C
Features:
  • Precise analogue time setting
  • Multi-voltage input without the need for jumpers or additional terminals
  • LED display for switching status
  • Potential-free switching output
Operating Modes:
  • Response delay (AV)
  • Wipe contact (EW)
  • Release delay (RV)
  • Pulse former (IF)
  • Response and release delay (VZ)
  • Pulse output (WR)
  • Flip-flop (TG)
Materials: The housing is made of high-temperature resistant, self-extinguishing thermoplastic.
Accessories: A wall mounting kit (17.5 mm) is available with item no. 9070065.
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Catalog excerpts

TM 345 M-1

Time and light control Time relays Description - Electronic time relay - Locking snap switch to select the period of time, as well as the following operating modes: - Response delay (AV), without control contact - Wipe contact (EW), without control contact - Release delay (RV), with control contact - Pulse former (IF), with control contact - Response and release delay (VZ), with control contact - Pulse output (WR), with control contact - Flip-flop (TG) - Can be used universally for controlling automatic processes in machines, lighting, ventilation, heating, cupboards etc. - Precise analogue time setting - Multi-voltage input for all supply and control voltages, no jumpers or additional terminals are required - LED to display the switching status Technical data TM 345 M Operating voltage Setting range time Electrical service life Stand-by consumption Fall back value of nominal input voltage Changeover contact Opening width Repeat accuracy High-temperature resistant, selfextinguishing thermoplastic Protection class Housing and insulation material Switching capacity at 250 V AC, cos φ =1 Switching output Type of protection Ambient temperature 105 operating cycles < 10.2 V AC/DC (as per EN 61812-1) ± 0.5 % at constant parameters IP 20 II -20°C ... 60°C Subject to technical changes and misprints additional information at: www.theben.de/product/3450731 The load data are determined with exemplary selected illuminants and are therefore typical data due to the large number of available products.

 Open the catalog to page 1
TM 345 M-2

Connection example Scale drawings Accessories Wall mounting kit 17,5 mm Item no.: 9070065 Subject to technical changes and misprints additional information at: www.theben.de/product/3450731 The load data are determined with exemplary selected illuminants and are therefore typical data due to the large number of available products.

 Open the catalog to page 2

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