Differential Automatic Switches Application
Product Overview
The Differential Automatic Switches Application, to demonstrate how a differential protection switch works when an earth leakage occurs.
Technical Specifications
ATENG 11039 — Differential Automatic Switches Application
- The “ATENG 11039” application includes the following elements:
- N-ALI02. Domestic Main Power Supply Module.
- Supply voltage (single-phase): 230 VAC, 1PH+N.
ON/OFF removable key.
- Output voltage connections:
- Two single-phase: 230 VAC. N-ALI02
Single-phase supply hose connecting plug.
- Differential magnetothermal 2 poles, 25 A, 30 mA AC 6 KA.
Emergency stop push button.
- N-TRANS01. Single-phase Galvanic Isolation Transformer 230/230 VAC, 500 VA, Module.
- Nominal power: 500 VA.
- Input voltage: 230 VAC.
- Output voltage: 230 VAC.
N-TRANS01
Earth-neutral connection switch.
- 2 A fuses.
ON/OFF switch.
- N-DIF. Differential Protection (RCD) Module.
Differential protection.
- Input terminals: 230 VAC.
- Output terminals: 230 VAC.
N-DIF
- Sensitivity: 30 mA.
- MED65. Digital Multimeter.
- This module has a digital multimeter of about 3 ½ digits, with double-jack ending cables of about 4 mm
to facilitate interconnections.
- With this digital multimeter we will be able to measure:
Voltage. MED65
Current.
Resistance.
Capacitors capacity.
Temperature.
- N-FAULT. Fault Injection Module with Human Body Impedance Selector Module.
Fault injection push-button.
- Human impedance selector: 1 ?, 2 ?, 20 ?, 200 ?. N-FAULT
Input connections (a, b).
- N-MEDV. Analog Voltmeter Module.
- Voltage measurement range: 0 – 100 VAC.
Two voltage terminals. N-MEDV
3
Specifications
- N-MEDI. Analog Ammeter Module.
- Current measurement range: 0 – 60 mA.
Two current terminals.
- N-TSTF. Leakage to Ground Tester Module. N-MEDI
Module for earth fault tests.
- 2 A fuse holder.
Potentiometer for varying the impedance to ground.
Connections for differential protection.
Switch for activating the fault derivation.
N-TSTF
- Connection terminals for:
- Single-phase transformer: 230 VAC.
Earth transformer for current deviation measurement.
- All necessary cables to realize the practical exercises are included.
Cables and Accessories, for normal operation.
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