SKU:
CN BENDER-2
€ 1.089,79
1-2 weeks delivery time
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The Bender ISOMETER® IR425-D4-2 is tailored for ground-fault monitoring in AC and DC control circuits, offering features like adjustable response values, alarm relays, and system monitoring. Its compact design includes a multi-functional LC display, and the device offers customizable settings for precise alerts, making it ideal for ungrounded AC/DC systems with a voltage range of 0 to 300 V.
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Bender ISOMETER® IR425-D4-2 Monitoring Device
The Bender ISOMETER® IR425-D4-2 is designed for reliable ground-fault monitoring in both AC and DC IT systems, specifically for control circuits. This device offers advanced features to ensure precise monitoring and alerting in case of insulation failures. It is suitable for use in ungrounded AC/DC systems with a voltage range of 0 to 300 V, providing comprehensive system protection and performance analysis.
- Monitors insulation resistance in AC/DC control circuits (0…300 V)
- Two independently adjustable response values
- Preset function for automatic setting of basic parameters
- System and earth connection monitoring
- Clear LED indicators: Power On, Alarm 1, Alarm 2
- Internal/external test/reset button functionality
- Two alarm relays with changeover contacts (one for each relay)
- Selectable N/O or N/C operation for alarms
- Fault memory behavior is customizable
- Self-monitoring feature with automatic alarm for issues
- Multi-functional LC display for detailed status and readings
- Adjustable response delay for more accurate alerts
- Compact two-module enclosure (36 mm) with push-wire terminals
Technical Specifications
- Nominal System Voltage: DC/AC 0…300 V, 15…460 Hz
- Supply Voltage: DC 70…300 V / AC 70…300 V, 15…460 Hz
- Response Value: 1…200 kΩ
- System Leakage Capacitance: < 20 µF
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