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Dual functions time relays MTR17-TCD-U240-116

The single function timers  MTR17-TCD-U240-xxx  are  designed for applications in automation and control. Universal power supply allows you to connect to any source of AC or DC voltage from 12 to 240V.  The brain chip of your application-specific miniature controller is the ideal solution for realizing custom control applications within minimum space at low-cost.

  • Two most popular time  functions – symmetrical cyclical operation pause first (TC) or pulse first (TD)
  • 7 time rangers 1s … 100h
  • Universal supply of 12V AC/DC to 240V AC/DC
  • Low power consumption –  <2.5 VA or  <1.5 W – high energy efficiency
  • Installation design DIN 35mm
  • Width 17.5mm
  • Output contact: MTR17-TB-U240-116 – 1 form C – 1 x 16A.

Time functions  which are contained in the relays  MTR17-TCD-U240-xxx:

 

funkcja-tc Symmetrical cyclical operation pause first (TC) – applying the supply voltage U starts the cyclical operation from the T interval – switching the output relay R off followed by switching on the output relay R for the interval T. The cyclical operation lasts until the supply voltage U is interrupted.
funkcja-td Symmetrical cyclical operation pulse first (TD) – applying the supply voltage U starts the cyclical operation from switching on the output relay R for the set interval T. After the interval T has lapsed, the output relay R switches off for the interval T. The cyclical operation lasts until the supply voltage U is interrupted.

Connections

View of the front panel

polaczenie-przekaznika-czasowego
Supply voltage Un AC/DC (AC: 50-60Hz) 12 V AC/DC … 240 V AC/DC
Contact arrangement 1 form C
Switching current range AC1 – 16 A /250 V AC

DC1 16 A /24 V DC

Switching load range AC1 4 000 VA
Rated voltage 250/400 VAC
Insulation rated voltage 250 V AC
 Overvoltage category III
Dielectric strength in-out 4 000 V AC
Dielectric strength open contact 1 000 V AC
Time rangers 0,1 s…..100 h
Min. control pulse length AC≥90ms; DC≥45ms
Ambient temperature -20°C …. +55°C

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Monitoring relays ensures reliable system protection against demage.

It is used to secure loads (eg. motors) from the voltage unbalance, incorrect phase sequence or damage to the executive contactor’s contacts.

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