Specifications are subject to change without notice (16.09.05)
1
Type DIA53
Monitoring Relays
2-wire connection
Self-powered
Input ranges: 2 - 20 AAC, 5 - 50 AAC or 10 - 100 AAC
Knob-adjustable set-point
Output: Normally open, 100 mA
LED indication for output ON
For mounting on DIN-rail in accordance with
DIN/EN 50 022
17.5 mm DIN-rail housing (DIN 43880)
Ordering Key
Housing
Function
Type
Item number
Output
Power supply
Input range
Version
Small current monitoring relay
with built-in current trans-
former with adjustable set-
point and integrated solid
state output. Self-powered
and 2-wire connection for
easy use.
12 mm hole for insulated cur-
rent carrying wire makes it
suitable for most applications.
For mounting on DIN-rail.
17.5 mm wide housing suit-
able both for back and front
panel mounting.
Product Description
Type Selection
Input current
Reaction time
Type no.
2 - 20 AAC
Standard
DIA53 S724 20A
5 - 50 AAC
Standard
DIA53 S724 50A
10 - 100 AAC
Standard
DIA53 S724 100A
2 - 20 AAC
Fast
DIA53 S724 20A F
5 - 50 AAC
Fast
DIA53 S724 50A F
10 - 100 AAC
Fast
DIA53 S724 100A F
Input Specifications
Output Specifications
Output
NPN-PNP open collector,
NO
Output current
Maximum load current
100 mA
Leakage current
100 A
Max. voltage
40 VDC
Voltage drop (U
d
)
< 2.5 VDC
General Specifications
Reaction time
DIA53
< 300 ms
(input signal variation from
-20% to +20% of set value)
DIA53...F
< 50 ms
(input signal variation from
-20% to +20% of set value)
Repeatability
0.5 %
Hysteresis
(Differential travel)
7 - 13% of setpoint
Frequency range
45 - 400 Hz
Temperature variation
0.20%/C of setpoint
DIA53 S 724 20A
DIA53 S 724 50A
DIA53 S 724 100A
Current range
2 - 20 AAC @ 50 Hz
5 - 50 AAC @ 50 Hz
10 - 100 AAC @ 50 Hz
Max. current (continuously)
40 AAC
100 AAC
150 AAC
Max. overload current
(t = 30 s)
200 AAC
200 AAC
200 AAC
1-Phase AC Over Current
Environment
Degree of protection
IP 20
Pollution degree
3
Operating temperature
-20 to +60C
Weight
80 g
Screw terminals
Tightening torque
Max. 0.5 Nm
acc. to IEC 60947
Housing dimensions
17.5x81x67.2 mm
Approval
UL, CSA
CE Marking
Yes
EMC
Electromagnetic Compatibillity
Immunity
According to EN 61000-6-2
Emission
According to EN 61000-6-3
DIA 53 S 724 20A F
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