Technical Data; Electrical Data; Outputs; Inputs - Grundfos MP 204 Instrucciones De Instalación Y Funcionamiento

14. Technical data

Ambient temperature
• During operation: -20 - +60 °C. The product must
not be exposed to direct sunlight.
• In stock: -25 - +85 °C.
• During transport: -25 - +85 °C.
Relative humidity
5-95 %.
Materials
Enclosure class: IP20.
Plastic type: Black PC / ABS.
Weight
1.25 kg

15. Electrical data

Supply voltage
100-480 VAC, 50/60 Hz.
Current consumption
Maximum 5 W.
Short-circuit rating
Suitable for use on a circuit capable of delivering no
more than 15,000 RMS symmetrical amperes, 480 V
maximum.

15.1 Outputs

Trip relay
Voltage category
Insulation voltage
Insulation test voltage
Maximum load
Minimum load
Maximum load power
AC/DC
Contact type
Signal relay
Voltage category
Insulation voltage
Insulation test voltage
Maximum load
Minimum load
Maximum load power
AC/DC
Contact type
24
III
400 V to all other
terminals
4 kVAC
400 VAC, 2 A, AC-15/ 24
VDC, 2 A, DC-13, L/R =
40 ms
5 V/10 mA
400 VA/48 W
Normally closed contact
III
400 V to all other
terminals
4 kVAC
400 VAC, 2 A, AC-15/24
VDC, 2 A, DC-13, L/R =
40 ms
5 V/10 mA
400 VA/48 W
Normally open contact

15.2 Inputs

Input for PTC/thermal switch
Voltage category
Insulation voltage
Insulation test voltage
Output voltage (open
contact)
Output current (closed
contact)
Voltage step
from high to
low
Equivalent external load
Voltage step
from low to
high
Equivalent external load
Input filter time
Input for Pt100/Pt1000 sensor
Voltage category
Insulation voltage
Insulation test voltage
Temperature range
Sensor type
Sensor current (Pt100)
Sensor current (Pt1000)
Mains frequency
suppression
Filter times
Integration time
Reading interval

15.3 Insulation measurement method

The insulation resistance is measured applying a
rectified alternating voltage. The test voltage can
therefore not be measured using an ordinary
voltmeter.
The open-circuit test voltage is calculated as follows:
2
× U
U
-- -

test mains
3
Example
MP 204 is connected to 3 x 400 V.
2
× 400
U -- -

test
3
IIl
400 V to all other
terminals
4 kVAC
5 V
2 mA
2.0 V
1.5 kΩ
2.5 V
2.2 kΩ
41 ± 7 ms
II
50 V to system earth
700 VDC
0-200 °C
Screened 2- or 3-core
cable
2.5 mA
0.25 mA
50-60 Hz
100 ms
400 ms
[W]
= 327 [V]