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High-precision Time Relay
VL-173...VL-179

Power supply
Supply voltage: - universal - discrete	AC/DC 24-220 V 50/60 Hz (VL-179: AC/DC 110-220 V) AC 220 V 50/60 Hz; AC/DC 110 V, 127 V
Power consumption, not more than	6,5 W
Indication of supply voltage	green light-emitting diode
Output
The range of time-lag	from 0,1 s to 99,9 h (subranges)
Discretization of the time-lag	0,001 Tmax of subrange (0,01 Tmax for VL-178)
Quantity and type of the output contacts	2 change-over contacts (ch.-ov.c.) (VL-173: 1 make contact (m.c.)+1 break contact (b.c.)+1 ch.-ov. c.)
Long current of the output contacts	4 А
Make power	1000 VA / АС 1, 18 W / DC
Make voltage	220 V (АС 1), 24 V (DC)
Output indication	red light-emitting diode
Accuracy class	0,5/0,01 (VL-173...VL-177); 0,5/0,1 (VL-178) 1,5/0,02 (VL-179)
Mechanical durability	3х10⁷cycles
The range of working temperature	-20...+50 °С
The level of enclosure protection	IP30
Outside dimensions, (weight)	90х53х70 mm (0,3 kg)

Type of relay	Function	Time-lag	Contacts
VL-173	Time-lag for switching-in and the contact of immediate action	0,1 s -99,9 ch/td>	1m.c. 1b.c. 1ch.-ov.c
VL-174	Switching-in at disappearing of Упр. signal and switching-off through the set time	0,1 s -99,9 ch	2ch.-ov.c.
VL-175	Switching-in at appearing of Упр. signal and switching-off through the set time after at disappearing of Упр. signal	0,1 s -99,9 h	2ch.-ov.c.
VL-176	Time-lag for switching-in	0,1 s -99,9 h	2ch.-ov.c.
VL-177	Time-lag for switching-off (formation of an impulse of the set duration)	0,1 s -99,9 h	2ch.-ov.c.
ВЛ-178	Cyclic with independent control, it is begun with a "pause" (Т2) or an "impulse" (Т1)	0,1 s -99,9 h	2ch.-ov.c.
VL-179	Time-lag at disappearing of power supply	0,1 s -99,9 h	2ch.-ov.c.