Datasheet

Frequency control relay - 35 mm HHZ Part number 84872501
Controls frequency variations on 50 or 60 Hz AC networks
Controls its own supply voltage, connected between phase and neutral
Over and underfrequency with two independent relay outputs
Selectable latching (memory) function
LED status indication
Type
Function
Nominal voltage (V)
84872501
HHZ
50 or 60 Hz over and underfrequency
120→277VAC
Supply
Supply voltage Un
120→277VAC
Voltage supply tolerance
-15% / +10%
Operating range
102→308VAC
AC supply voltage frequency
50/60 Hz ± 15%
Galvanic isolation of power supply/measurement
No
Power consumption at Un
6 VA in AC
Immunity from micro power cuts
10 ms
Inputs and measuring circuit
Measurement ranges
40→70Hz
Max. measuring cycle time
200 ms/True RMS measurement
Adjustment of upper threshold
- 2, +0, +2, +4, +6, +8, +10 Hz
Adjustment of lower threshold
+2, -0, -2, -4, -6, -8, - 10 Hz
Fixed hysteresis
0,3 Hz
Display precision
± 10% of full scale
Repetition accuracy with constant parameters
± 0,5%
Measuring error with voltage drift
< ± 1% across the whole range
Measuring error with temperature drift
± 0,05% / °C
Timing
Delay on thresold crossing
0,1→10s(0,+10%)
Display precision
± 10% of full scale
Repetition accuracy with constant parameters
± 0,5%
Reset time
2 s
Delay on pick -up
500 ms
Output
Type of output
2 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
4
Breaking capacity (resistive)
1250 VA AC
Maximum rate
360 operations/hour at full load
Operating categories acc. to IEC/EN 60947 -5-1
AC 12, AC 13, AC 14, AC 15, DC 12, DC 13, DC 14
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
2 x yellow LEDs - These LEDs flash during the threshold time delay
Casing
35 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
100 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