Arctic Refrigeration Components Supply Sdn Bhd
10, Jalan 21,
Taman Bukit Kuchai,
47100 Puchong,
Selangor, Malaysia.
+603-8080 9662
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+603-8080 9661
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INT69 KF2 Diagnose

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Application
The motor protector INT69 KF2 Diagnose is a further development of the reliable KRIWAN motor protectors.
 
The INT69 KF2 Diagnose automatically saves operational and error data in a non-volatile memory. This data can be retrieved on a PC and analysed for diagnosis. The full scope of the diagnosis is achieved by using a KRIWAN-specific AMS sensor.
 
This motor protector is mainly employed on compressors which are qualified acc. to IEC/EN 60335.
 
Functional description
The temperature monitoring in the motor winding is done according to the static evaluation process; the motor is switched off immediately if the nominal response temperature of the built-in AMS or PTC sensors is reached.
 
A short circuit at an AMS or PTC input also leads to a switch-off. After expiration of the reset delay and elimination of the error or cooldown, the compressor can be restarted. For operation in the specified manner, the supply voltage has to be on permanently on the INT69 KF2 Diagnose.



PRODUCT DETAILS   
   
Application Compressors acc. IEC/EN 60335
Function  Motor temperature static, Short circuit
Supply voltage AC 24-240V
Permitted ambient temperature -30...+70°C
Temperature measuring circuits:
Type
1-2 AMS sensors in series alternative 1-9                                                            PTC sensors acc. to DIN 44081, DIN 44082 in series
Temperature measuring circuits:
R_25, total
<1.8kΩ
Temperature measuring circuits:
R_trip
4.5kΩ ±20%
Temperature measuring circuits:
R_trip, static
4.5kΩ ±20%
Temperature measuring circuits:
R_reset
2.75kΩ ±20%
Temperature measuring circuits:                  Max. length connection line 30m
Short circuit monitoring system PTC Typically <30Ω
Reset delay: Motor temperature static 30min ±5min, 60min ±5min
Resetting the lock or the reset delay Main reset >5s only possible if there is no error current
Relay: Connection AC 240V 2.5A C300 at least AC/DC 24V 20mA
Relay: Mechanical service life Approx. 1 million switching cycles
Interface Diagnose port (DP)
Protection class acc. To EN 60529 IP00
Connection type screw type terminals
Housing material PA glass-fibre-reinforced
Mounting screw mounted
Dimensions Refer to dimensions in mm
Weight Approx. 200g
Check base IEC/EN 60335, IEC/EN 60730, UL 60730 EN 61000-6-2, EN 61000-6-3 EN 61010-1 Overvoltage category II Pollution level 2
Approval UL File no. E75899 cURus VDE certification no. 40022017

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