Off-delay timer relay with auxiliary voltage (BC7933)
Off-delay of 0.5 s to 60 min configurable (depending on type)
With auxiliary voltage (nominal voltage)
110 AC → 240 V or 24 Vac / Vdc (depending on type)
Control input B1 can be controlled with nominal voltage; no volt-free control contact required
LED indicator for contact position
1 changeover
Time circuit
Time ranges t
1
depending on type:
0.5 → 10 s, or 5 → 100 s
or 0.5 → 10 min, or 3 → 60 min
Time setting:
Continuous 1:20
Minimum connection time o nB1
AC: 15 ms, DC: 5 ms
Reactivation time:
≤50 ms
Repeat accuracy:
≤0 .5 % + 10 ms
Input
Nominal voltage U
H
(A1 / A2, B1 / B2):
110 AC → 240 V, 50 / 60 Hz
Depending on type:
or 24 Vac / Vdc
Auxiliary voltage range:
0.8 → 1.1 U
H
for AC
0.9 → 1.25 U
H
for DC
Release voltage to B1:
≥15 % U
N
Output
Contact assignment:
1 changeover
Thermal current I
th
:
4 A
General data
Rated operating current type:
Continuous
Temperature range:
-20 → +60 °C
Leiteranschluß:
2 x 2.5 mm
2
solid or
2 x 1.5 mm
2
with sleeve
Device dimensions (W x H x D):
22.5 x 84 x 97 mm
Standards
Complies with DIN EN 61 812-1
