85100636 Crouzet USA, 85100636 Datasheet - Page 143
85100636
Manufacturer Part Number
85100636
Description
SAFETY RLY, KZH3-RS 24VAC-VDC
Manufacturer
Crouzet USA
Series
KZH3-RSr
Datasheet
1.84873004.pdf
(328 pages)
Specifications of 85100636
Contact Form
3PST (3 Form A)
Contact Rating (current)
6A
Switching Voltage
440VAC - Max
Relay Type
Safety
Coil Voltage
24VAC/DC
Mounting Type
DIN Rail
Termination Style
Screw Terminal
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Coil Type
-
Coil Current
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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R
S
Connections
F3US
T
Principles
F3US / F3USN
3,6
Dimensions
F3US / F3USN
F3US
B
B
C
D
L1 - L2 - L3 : 3-phase network being monitored
11 - 12 - 14 : Output relay (R1) lower threshold
21 - 22 - 24 : Output relay (R2) upper threshold
R2
R1
1
2
3
0
Auxiliary power supply
3-phase network
Upper threshold
Lower threshold
23
R
S
T
R
>
A1
12 14
3 ~
S
U
Tr
11
T1
100
R
1
<
T
77
R
S
T2
A2
T
12
11
5
14
T1
22
21
F3USN
45
24
B
Operating priciple
The two relays are energised when the measured voltages are between the minimum and
maximum thresholds which can be separately adjuste via two potentiometers on the front face.
If one or more voltages goes outside the window, the relay corresponding to the fault de-energises
following a delay which can be adjusted on the front face. The relays each have individual delays
(0.1 to 10 sec.).
A hysteresis fixed at 3 % ensures bounce-free relay switching when the voltage levels return to a
value between the upper and lower theresholds.
The unit is not affected by the phase sequence nor by harmonic distortion.
A green LED indicates the presence of the power supply voltage. Two yellow LEDs indicate when
the upper and lower thresholds have been exceeded.
The LEDs go out when the voltages are within the set window.
4,2
Auxiliary power supply
R
N
S
T
A1
12 14
11
R
1
R
R
S
N
T
S
N
F3USN
A2
T
R
N
>
3 ~
S
U
<
T
12
11
14
22
21
24
143
4
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