IS0685-D BENDER

IS0685-D BENDER Power module

Product  Description：

The IS0685-D is part of the ISOMETER family, utilizing the patented AMP Plus measurement method. This allows the device to monitor modern power systems that include high leakage capacitances and non-linear components like frequency converters. The unit acts as a proactive safety device, detecting insulation faults before they lead to a system shutdown or electrical hazard. It is designed for DIN rail mounting and includes a high-resolution graphic display for real-time visualization of the system's insulation status.

Product Parameters

The technical specifications of the IS0685-D are tailored for complex industrial environments:

• Monitored System Voltage Range: Standard version supports up to $AC \text{ 0...690 V}$ and $DC \text{ 0...1000 V}$.

• Measurement Range: Insulation resistance monitoring from $1 \text{ k}\Omega$ up to $10 \text{ M}\Omega$.

• Maximum Leakage Capacitance: Capable of handling system leakage capacitances ($C_e$) up to $1000 \text{ }\mu\text{F}$.

• Supply Voltage: Flexible power options, typically supporting $AC/DC \text{ 24...240 V}$.

• Interface and Communication: Includes an RS-485 interface with Modbus RTU support and integrated web server via Ethernet (model dependent).

• Output Contacts: Two independently configurable alarm relays for signaling insulation warnings and faults.

• Response Time: Rapid detection with a typical response time of $\leq 2 \text{ seconds}$ for most standard system configurations.

Product Advantages

The IS0685-D offers several key benefits for system operators. The AMP Plus measurement method is a significant advantage, as it avoids measurement errors caused by DC components or variable frequencies found in modern motor drives. The Integrated Display provides clear, readable information about the insulation resistance in $\Omega$, the system voltage, and leakage capacitance, eliminating the need for external meters.

Furthermore, the Pre-warning capability allows maintenance teams to identify gradual insulation degradation before it reaches a critical level. The Connectivity features, such as the web server, allow for remote monitoring via a standard browser, which reduces the need for physical inspections in large-scale plants. The device also supports the EDS (Insulation Fault Location) system, which can be used in conjunction with this unit to pinpoint the exact location of a fault in the network.

Important Considerations and Precautions

When installing and commissioning the IS0685-D, certain precautions are vital for equipment safety. First, ensure that only one insulation monitoring device is connected to a single IT system. Connecting multiple units will lead to measurement interference and incorrect readings. Second, when conducting insulation or high-voltage tests on the power system, the IS0685-D must be disconnected from the circuit to prevent internal damage from high test voltages.

Proper System Coupling is essential; the connection between the device and the ground ($PE$) must be low-impedance and highly reliable. If the ground connection is lost, the device cannot perform its monitoring function. Users should also ensure that the Configuration of Alarm Thresholds is performed by qualified personnel to avoid "nuisance tripping" while still maintaining safety margins appropriate for the specific application environment.

Product Applications

The IS0685-D is widely used in sectors where power reliability is non-negotiable and downtime is costly.

• Industrial Automation: Monitoring control circuits and power supplies in automated manufacturing plants to prevent unexpected production halts.

• Renewable Energy: Used in large-scale photovoltaic (PV) systems and wind turbines to monitor the DC and AC sections of the power network.

• Marine and Offshore: Ensuring the electrical safety of ships and oil rigs where unearthed systems are standard for maintaining propulsion and safety systems during a single ground fault.

• Data Centers: Monitoring the reliability of power distribution units (PDUs) to protect sensitive IT infrastructure.

• Mining and Heavy Industry: Protecting equipment in harsh environments where dust, moisture, and vibration can rapidly degrade insulation.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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