Monitoring Relays
1-Phase AC Over Current
Type DIA53
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)
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Product Description
Small current monitoring
relay with built-in current
transformer with adjustable
set-point and integrated sol-
id state output. Self-pow-
ered and 2-wire connection
for easy use.
12 mm hole for insulated
current carrying wire makes
it suitable for most applica-
tions. For mounting on DIN-
rail. 17.5 mm wide housing
suitable both for back and
front panel mounting.
Ordering Key
Housing
Function
Type
Item number
Output
Power supply
Input range
Version
DIA 53 S 724 20A F
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 20A F
DIA53 S724 50A F
DIA53 S724 100A F
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
Current range
Max. current
(continuously)
Max. overload current
(t = 30 s)
2 - 20 AAC @ 50 Hz
40 AAC
200 AAC
DIA53 S 724 50A
5 - 50 AAC @ 50 Hz
100 AAC
200 AAC
DIA53 S 724 100A
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
Specifications are subject to change without notice (19.05.10)
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