INT185 Current transformer

The INT185 current transformer is used for current measurement of machines and equipment (e.g. motors of pumps). It is connected to the KRIWAN protective relays that have a current transformer input. The evaluation takes place in the KRIWAN protection relays. The small dimensions facilitate installation in the control cabinet. The current transformer is available in different versions, e.g. with measuring range up to 100A or up to 250A and with stranded wires with ferrules or with screw terminals.

Article number Designation
02D186 INT185 Current transformer; AC 50/60 Hz 3-100 A
02D187 INT185 Current transformer; AC 20-100 Hz 5-100 A
02D188 INT185 Current transformer; AC 20-100 Hz 12,5-250 A

 

 

Product information

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The current transformer is connected to the current transformer input of the KRIWAN protective relays. The evaluation takes place in the KRIWAN protective relays. The current is measured single-phase by means of the current transformer. The phase of the motor is fed through the opening of the current transformer, and the current transformer acts as a feed-through transformer. For three-phase motors, the motor is assumed to be symmetrical. The current transformers differ in measuring range, frequency converter suitability and connection type. The differences are listed in the technical data table.

The following features distinguish the current transformer:

  • Single-phase current measurement for motors of machines and systems (e.g. pumps)
  • Connection to the current transformer input of the KRIWAN protection relays and evaluation in the KRIWAN protection relays
  • Can be snapped onto 35mm standard rail
  • Frequency converter suitability

 

 
  02D186 02D187 02D188
Measuring range AC 50/60Hz 3-100A AC 20-100Hz 5-100A AC 20-100Hz 12,5-250A
Frequency converter suitable No Yes, at clock frequency 2-16 kHz Yes, at clock frequency 2-16 kHz
Accuracy ±1% at a load of 33Ω and 20°C Amplitude ±1% of MW, phase ±1° at a load of 75 Ω Amplitude ±1% of MW, phase ±1° at a load of 75 Ω
Transmission ratio 1:2500 1:2500 1:6250
Permissible ambient temperature Ta -30°C ≤ Ta ≤ +70°C -30°C ≤ Ta ≤ +70°C -30°C ≤ Ta ≤ +70°C
Permissible humidity 5-95% r. F. 0-95% r. F. 0-95% r. F.
Connection type Stranded wires with ferrules Stranded wires with ferrules Screw terminals
Housing material PA glass fiber reinforced PA glass fiber reinforced PC+ABS
Mounting Can be snapped onto 35mm standard rail according to EN 60715 or screw mounting Can be snapped onto 35mm standard rail according to EN 60715 Can be snapped onto 35 mm standard rail according to EN60715
Dimensions See data sheet See brief instructions See brief instructions
Weight 150 g 150 g 250 g
Test basis EN 61558-1
Overvoltage category II
Pollution degree 2
EN 61558-1
Overvoltage category II
Pollution degree 2

EN61869-6: 2016

EN61326-1: 2013

 
 

Accessories

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INT69 PYF Diagnose PREMIUM

Connect your INT185 to the INT69 PYF Diagnose PREMIUM

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Modbus-Gateways

Connect your KRIWAN diagnostic devices via Modbus gateway

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USB-Gateway

Connect your KRIWAN diagnostic devices to the INTspector app via USB gateway

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Bluetooth-Gateway

Connect your KRIWAN diagnostic devices to the INTspector app via Bluetooth gateway

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DP cable

For the right connection between your protection device and the gateway

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INTspector App

For parameterizing your device and reading out all important data

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