IRDH275-435 insulated monitor

The IRDH275-435 product is an insulated monitor whose main features and application range can be described in detail from the following aspects:

Product features:
Insulation monitoring range: Suitable for ungrounded AC, AC/DC system insulation monitoring, voltage range up to 0… 793 VAC and 0… 650 VDC.
Measuring technology: AMPPlus measuring method is adopted to automatically adapt the system leakage capacitance, display the information of device Settings and system leakage capacitance.
Alarm and self-test: with automatic alarm self-monitoring function, support automatic self-test, and optional external kΩ indication connection.
Display and interface: equipped with backlit LCD display, easy to read; Support RS-485 interface, easy to communicate with other devices.
Adjustable Settings:
Response value adjustment: Two individually adjustable insulation resistance response values ranging from 1kΩ to 10MΩ to meet the needs of different systems.
Operation options: N/O or N/C operation Optional. Lock or non-lock operation options are available to meet different application scenarios.

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Description

Overview

Essential details：IRDH275-435 insulated monitor

Product Description

The IRDH275-435 product is an insulated monitor whose main features and application range can be described in detail from the following aspects:

Product features:
Insulation monitoring range: Suitable for ungrounded AC, AC/DC system insulation monitoring, voltage range up to 0… 793 VAC and 0… 650 VDC.
Measuring technology: AMPPlus measuring method is adopted to automatically adapt the system leakage capacitance, display the information of device Settings and system leakage capacitance.
Alarm and self-test: with automatic alarm self-monitoring function, support automatic self-test, and optional external kΩ indication connection.
Display and interface: equipped with backlit LCD display, easy to read; Support RS-485 interface, easy to communicate with other devices.
Adjustable Settings:
Response value adjustment: Two individually adjustable insulation resistance response values ranging from 1kΩ to 10MΩ to meet the needs of different systems.
Operation options: N/O or N/C operation Optional. Lock or non-lock operation options are available to meet different application scenarios.
Scope of application:
Main circuit monitoring: Especially suitable for AC, AC/DC main circuits, including AC/DC main circuits with directly connected DC elements, such as rectifiers, converters, and thyristor controlled DC drivers.
Power system: Applicable to the insulation monitoring of power equipment such as UPS system and battery system.
Safety standards: comply with the ground detector requirements of NEC 250.21(B) and CEC 10-106(2) to ensure safe and stable operation of the system.
Design and installation:
Panel mount: The panel mount housing is easy to mount to the fascia of the switchboard for easy integration into existing systems.
Protection design: The terminal cover, anti-shock protection, terminal design provides additional protection and enhances the safety of the device.
Additional features (IRDH275B version) :
History: History memory with a real-time clock for storing all alarm information with date and time stamps.
Interface and protocol: Electrically isolated RS-485 interface (BMS protocol) to support communication with other bending devices.
Control input: Isometer disconnect relays for connecting multiple Isometer® operations provide flexible control options.
In summary, the IRDH275-435 insulation monitor is a comprehensive and stable insulation testing device, which can meet the insulation monitoring needs of various complex electrical systems to ensure the safe and stable operation of the system.

IRDH275B-435 

Product parameter

I. Main technical parameters

Insulation monitoring range:
AC, AC/DC system: 0… 793 V
DC system: 0… 650 V
Measurement technology:
The AMPPlus measurement method can automatically adapt the leakage capacitance of the system.
Alarm and self-check:
It comes with two independently adjustable alarm relays that allow the distinction between early warning and alarm.
Support automatic alarm self-monitoring function.
Optional automatic self-check function.
Display and interface:
Easy to read with backlit LCD display.
Support RS-485 interface, easy to communicate with other devices.
Second, adjustable Settings

Response value adjustment:
Two individually adjustable insulation resistance response values ranging from 1 kΩ to 10 MΩ.
Operation options:
N/O (normally open) or N/C (normally closed) operation is supported.
3. Application characteristics

Main circuit monitoring:
Especially suitable for AC and AC/DC main circuits, including AC/DC main circuits with directly connected DC elements.
Power supply system:
It is suitable for insulation monitoring of power supplies such as UPS system and battery system.
Security:
Meets the ground detector requirements of NEC 250.21(B) and CEC 10-106(2).

APPLICATION

Electrical system monitoring:
Main circuit monitoring: Especially suitable for AC, AC/DC main circuits, including AC/DC main circuits with directly connected DC elements, such as rectifiers, converters, and thyristor controlled DC drivers.
UPS system and battery system: It also applies to the insulation monitoring of power supplies such as UPS system and battery system to ensure the reliability and safety of the power supply.
Industrial Applications:
Manufacturing: In the manufacturing process, many equipment need a stable electrical system support, IRDH275-435 insulation monitor can monitor the insulation status of the electrical system in real time, prevent electrical failures, and ensure the continuous operation of the production line.
Petrochemical industry: In the petrochemical industry, electrical systems are faced with high temperature, high pressure, flammable and explosive complex environment, IRDH275-435 insulation monitoring function can help enterprises timely detection of electrical faults, reduce the risk of accidents.
Power system: In power plants, substations and other power systems, IRDH275-435 insulation monitors can monitor the insulation status of electrical equipment, prevent equipment leakage, electric shock and other safety problems, to ensure the stable operation of the power system.
Security protection:
Prevention of electrical failures: By monitoring the insulation status of the electrical system in real time, the IRDH275-435 insulation monitor can prevent electrical failures by issuing timely alerts when the insulation fails or the insulation level drops.
Compliance with safety standards: The monitor meets the ground detector requirements of NEC 250.21(B) and CEC 10-106(2), ensuring the safe and stable operation of the electrical system.
Environmental adaptability:
Wide voltage range: IRDH275-435 insulated monitor for AC 0… 793 V and DC 0… The wide voltage range of 650 V is suitable for different electrical systems.
Multiple mounting methods: Panel mounting housing is easy to install on the fascia of the switchboard, adapting to different installation environments.
Remote Monitoring and communication:
RS-485 interface: Support RS-485 interface, easy to communicate with other devices, remote monitoring and data transmission.
BMS Protocol: The electrically isolated RS-485 interface supports the BMS protocol, making the monitor easily integrated into an intelligent building management system.
In summary, IRDH275-435 insulation monitor has a wide range of applications in electrical system monitoring, industrial applications, security protection, environmental adaptability and remote monitoring and communication.

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