Monitoring Relays
1-Phase AC Over Current
Type DIA53S
Product Description
Compact 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 insulate current carrying wire makes it suit-
able for most applications. For mounting on DIN-rail.
17.5 mm wide housing suitable both for back and front
panel mounting.
Property
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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
17.5 mm DIN-rail housing (DIN 43880)
For mounting on DIN-rail in accordance
with DIN/EN50022
Type Selection
Input current
2 - 20 AAC
5 - 50 AAC
10 - 100 AAC
2 - 20 AAC
5 - 50 AAC
10 - 100 AAC
Reaction time
Standard
Standard
Standard
Fast
Fast
Fast
Type no.
DIA53 S724 20A
DIA53 S724 50A
DIA53 S724 100A
DIA53 S724 20AF
DIA53 S724 50AF
DIA53 S724 100AF
Output Specifications
Output
Output current
Maximum load current
Leakage current
Max. voltage
Voltage drop
(U
d
)
NPN-PNP open collector,
NO
100 mA
≤
100 μA
40 VDC
< 2.5 VDC
Input Specifications
DIA53 S 724 20A/...AF
Current range
Max. current
(continuously)
Max. overload current
(t = 30 s)
2 - 20 AAC @ 50 Hz
40 AAC
200 AAC
DIA53 S 724 50A/...AF
5 - 50 AAC @ 50 Hz
100 AAC
200 AAC
DIA53 S 724 100A/...AF
10 - 100 AAC @ 50 Hz
150 AAC
200 AAC
General Specifications
Reaction time
DIA53
< 300 ms
(input signal variation from
-20% to +20% of set value)
< 50 ms
(input signal variation from
-20% to +20% of set value)
0.5 %
7 - 13% of setpoint
45 - 400 Hz
±0.20%/°C of setpoint
IP 20
3
-20 to +60°C
Weight
Screw terminals
Tightening torque
Housing
Dimensions
Material
Product standard
Approval
CE Marking
EMC
Immunity
Emissions
80 g
Max. 0.5 Nm
acc. to IEC 60947
17.5 x 81 x 67.2 mm
PA66 or Noryl
EN 60255-6
UL, CSA
L.V. Directive 2006/95/EC
EMC Directive 2004/108/EC
According to EN 60255-26
According to EN 61000-6-2
According to EN 60255-26
According to EN 61000-6-3
DIA53...F
Repeatability
Hysteresis
(Differential travel)
Frequency range
Temperature variation
Environment
Degree of protection
Pollution degree
Operating temperature
1
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