Datasheet

Single function current control relay with current transformer - 17.5 mm MIC Part number 84871122
Control of AC currents
Built-in current transformer
Measurement ranges from 2 A to 20 A
Choice of output relay action
True RMS measurement
Type
Functions
Measurement range
Nominal voltage (V)
84871122
MIC
Overcurrent (or undercurrent)
2→20A
24→240VAC/DC
Supply
Supply voltage Un
24V→240VAC/DC
Voltage supply tolerance
-15% / +10%
Operating range
20,4V→264VAC/DC
Polarity with DC voltage
AC supply voltage frequency
50 / 60 Hz ± 10%
Galvanic isolation of power supply/measurement
Power consumption at Un
3 VA in AC et 1 W in DC
Immunity from micro power cuts
10 ms
Inputs and measuring circuit
Measurement range
2→20A
Permanent overload at 25°C
100 A
Pulseoverload<3s→25°C
300 A
Frequency of measured signal
40→70Hzsinusoidal
Max. measuring cycle time
30 ms/True RMS measurement
Threshold adjustment
10→100%oftherange
Fixed hysteresis
15% (fixed) of displayed threshold
Display precision
± 10% of full scale
Repetition accuracy with constant parameters
± 0,5%
Measuring error with voltage drift
< 1%
Measuring error with temperature drift
± 0,05% / °C
Timing
Response time
200 ms
Delay on pick -up
500 ms
Output
Type of output
1 single pole changeover relay
Type of contacts
No cadmium
Maximum breaking voltage
250 V AC/DC
Max. breaking current
5 A AC/DC
Min. breaking current
10 mA / 5 V DC
Electrical life (number of operations)
1 x 10
5
Breaking capacity (resistive)
1250 VA AC
Maximum rate
360 operations/hour at full load
Operating categories acc. to IEC/EN 60947 -5-1
AC12, AC13, AC14, AC15, DC12, DC13, DC14
Mechanical life (operations)
30 x 10
6
Insulation
Nominal insulation voltage IEC/EN 60664 -1
400 V
Insulation coordination (IEC/EN 60664 -1)
Overvoltage category III: degree of pollution 3
Rated impulse withstand voltage (IEC/EN 60664 -1)
4 KV (1,2 / 50 μ s)
Dielectric strength (IEC/EN 60664 -1)
2 KV AC 50 Hz 1 min.
Insulation resistance (IEC/EN 60664 -1)
> 500 M Ω @ 500 V DC
General characteristics
Display power supply
Green LED
Display relay
Yellow LED
Casing
17,5 mm
Mounting
On 35 mm symmetrical DIN rail, IEC/EN 60715
Mounting position
All positions
Material: enclosure plastic type VO to UL94 standard
Incandescent wire test according to IEC 60695-2- 11 & NF EN 60695 -2-11
Protection (IEC/EN 60529)
Terminal block: IP20
Casing: IP30
Weight
110 g
Connecting capacity IEC/EN 60947 -1
Rigid: 1 x 4
2
- 2 x 2.5
2
mm
2
1 x 11 AWG - 2 x 14 AWG
Flexible with ferrules: 1 x 2.5
2
- 2 x 1.5
2
mm
2
1 x 14 AWG - 2 x 16 AWG
Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected
13/03/2012 www.crouzet.com