Monitoring Relays
1-Phase True RMS AC/DC Over and Under Voltage
Types DUC01, PUC01
鈥?TRMS AC/DC over+under, over+over or
under+under voltage monitoring relays
鈥?Selection of measuring range by DIP-switches
鈥?Measuring ranges from 2 to 500 V AC/DC
鈥?Adjustable voltage on relative scale
鈥?Adjustable hysteresis on relative scale
鈥?Adjustable delay function (0.1 to 30 s)
鈥?Programmable latching or inhibit at set level
鈥?Output: 1 or 2 x 8 A SPDT relay N.D. or N.E. selectable
鈥?For mounting on DIN-rail in accordance with
DIN/EN 50 022 (DUC01) or plug-in module (PUC01)
鈥?45 mm Euronorm housing (DUC01)
or 36 mm plug-in module (PUC01)
鈥?LED indication for relay, alarm and power supply ON
鈥?Galvanically separated power supply
DUC01
PUC01
Product Description
DUC01 and PUC01 are pre-
cise TRMS AC/DC over+under,
over+over or under+under
voltage (selectable by DIP-
switch) monitoring relays. The
voltage levels are adjustable
separately and have their own
time delay.
Owing to the built-in latch
function, the ON-position of
the relay output can be
maintained. Inhibit function
can be used to avoid relay
operation when not desired
(maintenance, transitions).
The LED's indicate the state
of the alarm and the output
relay.
Ordering Key
Housing
Function
Type
Item number
Output
Power supply
Range
DUC 01 D B23 500V
Type Selection
Mounting
DIN-rail
Plug-in
Output
DPDT
SPDT
Supply: 24 VDC
DUC 01 D 724 500V
PUC 01 C 724 500V
Supply: 24/48 VAC
DUC 01 D B48 500V
PUC 01 C B48 500V
Supply: 115/230 VAC
DUC 01 D B23 500V
PUC 01 C B23 500V
Input Specifications
Input
Voltage level
Measuring ranges
2 to 20 V AC/DC
5 to 50 V AC/DC
20 to 200 V AC/DC
50 to 500 V AC/DC
Max. voltage for 1 s
Note:
The input voltage cannot
raise over 300 VAC/DC
with respect to ground
(PUC01 only)
Contact input
DUC01
PUC01
Disabled
Enabled
Latch disable
DUC01: Terminals Y1, Y2
PUC01: Terminals 5, 7
Internal resis.
Max. volt.
> 500 k鈩?/div>
350 V
> 500 k鈩?/div>
350 V
> 500 k鈩?/div>
600 V
> 500 k鈩?/div>
600 V
1000 V
Output Specifications
Output
Rated insulation voltage
Contact ratings
(AgSnO
2
)
Resistive loads
AC 1
DC 12
Small inductive loads AC 15
DC 13
Mechanical life
Electrical life
2 x SPDT relays (DUC01)
1 x SPDT relays (PUC01)
250 VAC
碌
8 A @ 250 VAC
5 A @ 24 VDC
2.5 A @ 250 VAC
2.5 A @ 24 VDC
鈮?/div>
30 x 10
6
operations
鈮?/div>
10
5
operations
(at 8 A, 250 V, cos
蠒
= 1)
鈮?/div>
7200 operations/h
Operating frequency
Dielectric strength
鈮?/div>
2 kVAC (rms)
Dielectric voltage
Rated impulse withstand volt. 4 kV (1.2/50 碌s)
Terminals Z1, Y1
Terminals 8, 9
> 10 k鈩?/div>
< 500
鈩?/div>
> 500 ms
Specifications are subject to change without notice (21.10.00)
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