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Asymmetric cycler TRC01

TRC01 is a time relay – asymmetrical cycler, with beginning of pulse or pause. Time pause is adjustable from 0,1 sec to 10 days. Other possible modes are: timing always ON and timing always OFF. Relay is equipped with one 8 A output changeover contact.

BMR time relays have universal power supply circuit available for AC and DC voltage in range 12 ... 230 V.

Time relays are equipped with operation status and LED optical signalisation for easy operation and service.

  • adjustable timer 0.1s ... 10 days
  • universal AC / DC power supply 12 ... 230 V
  • 1 x changeover 8 A contact
  • function permanent On or OFF
  • small design 1- modul DIN rail
  • status optical LED signalization


After connecting the supply voltage, the device detects the state at terminals A1, B. Based on the detected state, the device starts to cycle with a gap or a pulse. The time is set using trimmers in the range of 0.1s to 10 days. The device also supports the function of permanent switching on or off, without the need to disconnect the supply voltage, by setting the ON or OFF function on the trimmers of the device.

Technical features

Parameter Value
supply voltage 12 VAC,VDC ... 230 VAC
self consumption max. 1.5 VA
adjustable time range 0.1 s ... 10 days
type and number of output contact 1 x change-over
nominal current of output contact 8 A
switching power max. AC 2000 VA
trigger current 30 A
nominal / max switching voltage 250 VAC / 440 VAC
mechanical lifetime 3 x 106
electrical lifetime 1 x 104 250 VAC, 8A
ambient temperature -20 ... +55 °C
working position any
mounting IEC 60715 (DIN 35)
protection degree IP 20
I/O insulation 4 kV
maximum input wire diameter max. 2 x 1.5 mm2; 1 x 2.5 mm2
weight 85 g
dimensions 90 x 18 x 65 mm
related standards IEC 60255-1


BMR trading - Hasal s.r.o.
Horní lán 1200/17
779 00 Olomouc
Czech Republic

+420 778 066 566