CONTROLS
CONTROLS
UR SERIES
VOLTAGE CONTROL RELAY
UL listed CSA recognized
• AC or DC Voltage Control
• Manual or Automatic Operation
• Adjustable Threshold
• 5 to 50% Hysteresis Range
• LED Relay Status Indicator
1. AC/DC voltage control without latching:
2
The output relay is energized when the voltage (AC peak voltage)
exceeds the selected threshold. It de-energizes when the voltage
falls below the hysteresis setting (5 to 50%) or when supply breaks.
The hysteresis is controlled by a potentiometer and its selection does
not change the chosen threshold.
S1
hysteresis
Automatic
Unlatching
Threshold
R
2. AC/DC voltage control with latching:
The output relay is energized when the voltage reaches the selected
threshold and stays latched in this position. The contact between ter-
minal B1 and M (or 8 or 9) should be opened or the input power of
the device interrupted to reset.
S1
S2
Manual
Unlatching
Threshold
hysteresis
SPECIFICATIONS:
Input . . . . . . . . . . . . . . . . . . . . . . . . 24 VDC, 24, 48, 110, 220 VAC
R
15%, 50/60 Hz
Power consumption . . . . . . . . . . . 24 VAC: 1 VA
48 VAC: 1.2 VA
110 VAC: 3.5 VA
220 VAC: 7 VA
Acceptance load (input)
Permanent
(max)
50 V
100 V
440 V
Control
Range
AC or DC
0.1 to 10 V
0.4 to 40 V
4 to 400 V
Input
Resistance
WIRING DIAGRAM:
Less than
10ms peak max.
100 V
10 kΩ
40 kΩ
400 kΩ
DUR
LUR
300 V
750 V
+
˜
S1
(+)0.1 to 10v
(+)0.4 to 40v
(+)4 to 400v
(+)0.1 to 10v
(+)0.4 to 40v
(+)4 to 400v
(-)0v
S1
Hysteresis selection . . . . . . . . . . . 5 to 50% of set point
Repeat accuracy . . . . . . . . . . . . . . 2% at a constant ambient
Output Relay . . . . . . . . . . . . . . . . . SPDT Relay
Contact material . . . . . . . . . . . . . . AgCdO
Maximum loading . . . . . . . . . . . . . 10 A AC resistive 8 A DC inductive
6
7
5
4
A1 11
E1 E2 E3
Latching S2
8
Maximum switching voltage . . . . . 250 VAC
Relay maximum power rating . . . . 2200 VA
Transient protection . . . . . . . . . . . 2500 volts
Mechanical life of relay . . . . . . . . . 30 x 106 operations
250 VDC
3
9
R
10
11
2
1
12 14
B1
M
A2
30 W
Latching
S2
(-)0v
Electrical life of relay . . . . . . . . . . . 2 x 105 at 2400 VA resistive load
Repetition accuracy . . . . . . . . . . . 0.5% at a constant ambient
Response time . . . . . . . . . . . . . . . . 100 ms on make
200 ms on break
-
˜
Operating temperature . . . . . . . . . -4°F to +140°F
-20°C to +60°C
Weight . . . . . . . . . . . . . . . . . . . . . . 7 oz. (200g)
Option: 24 VDC power – the voltage and the measured current must be
from separate sources.
D
UR
24A
ORDERING INFORMATION:
MOUNTING
SERIES
INPUT POWER
MOUNTING
D = DIN-rail mounting
L = 11 pin plug-in
INPUT POWER
SERIES
UR
24A = 24VAC
24D = 24VDC
48A = 48VAC
110A = 110VAC
220A = 220VAC
UR SP50
Products and specifications subject to change without notice.
Order/Technical Support – Tel: (800) 677-5311 / FAX: (800) 677-3865 / www.crouzet-usa.com
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