ISO685SFP200 BENDER

ISO685SFP200 BENDER Basis unit

Product  Description：

Bender Base Units, primarily represented by the LINETRAXX and COMTRAXX series, serve as the central hardware platforms for advanced electrical safety monitoring, residual current evaluation, and insulation fault location systems. These units act as the core processing chassis or gateways that accommodate various monitoring modules, communication cards, and power components. They consolidate data from distributed sensors across ungrounded (IT), grounded (TN), and resistance-grounded (TT) electrical systems, providing a centralized point for analysis, localized display, and upstream network communication.

Product Parameters

The technical parameters of a Bender Base Unit focus on monitoring capacity, supply voltage versatility, and interface specifications:

• Supply Voltage Range: Universally designed to accept wide-range inputs, typically supporting 24V to 240V AC/DC at grid frequencies of 50Hz to 60Hz.

• Channel and Device Capacity: Capable of managing up to 30 or more channels internally or connecting via proprietary buses to over 90 remote measuring current transformers.

• Response and Execution Time: High-speed internal logic evaluation with alarm signaling times generally under 100 milliseconds to ensure rapid fault identification.

• Insulation Performance: Rated operational voltage of up to 800V or 1000V for direct monitoring lines, with a rated impulse voltage tolerance of 6kV to 8kV.

• Relay Outputs: Equipped with multiple configurable alarm relays (changeover contacts) rated at 250V AC / 5A for direct integration into safety trip circuits.

• Structural Enclosure: Compact modular designs, typically requiring a width of 2 to 6 standard DIN modules (36mm to 108mm) for space-saving panel installation.

Product Advantages

Bender Base Units offer unique technical advantages tailored for high-availability power grids:

• Early Predictive Warnings: Instead of simply tripping after a catastrophic failure, these base units detect micro-ampere level leakage currents and insulation degradation early, preventing unexpected power outages.

• True Multi-Protocol Connectivity: Integrated communication stacks allow the base unit to act as an intelligent gateway, converting proprietary sensor data simultaneously into Modbus TCP, BACnet, and SNMP formats.

• Universal System Compatibility: A single base unit platform can be adapted to monitor pure AC networks, complex DC industrial buses, or modern systems with heavy variable frequency drive (VFD) distortions.

• Comprehensive Self-Monitoring: Features continuous internal watchdog tracking that checks the integrity of the connection to the measuring transformers and evaluates internal hardware health.

• Advanced Web Integration: Built-in web servers allow maintenance personnel to configure parameters, visualize leakage current waveforms, and analyze historical fault logs using a standard browser without external software.

Product Applications

These base units are critical infrastructure components used to guarantee electrical safety and operational continuity:

• Healthcare Facilities: Serving as the foundational monitoring unit for medical IT systems in operating theaters and intensive care units, where power continuity is a matter of life safety.

• Renewable Energy Power Plants: Tracking insulation resistance in large-scale utility photovoltaic arrays and wind turbine main power buses before the inverter stage.

• E-Mobility Charging Stations: Providing the core DC residual current monitoring and insulation tracking inside high-power electric vehicle fast chargers.

• Heavy Process Industries: Ensuring uninterrupted operation in chemical plants, paper mills, and semiconductor fabrication facilities where sudden power trips cause millions in lost revenue.

• Data Centers and IT Infrastructure: Monitoring main power distribution units (PDUs) for continuous stray currents to prevent localized heating and fire hazards.

Important Precautions

To ensure accurate safety reporting and prevent system damage, the following operational instructions must be followed:

• Strict Functional Grounding: The functional earth terminal of the base unit must be connected to the main station ground using a short, low-impedance conductor to ensure accurate insulation calculations.

• Transformer Pairing Restrictions: Only use the specific model series of measuring current transformers approved for the base unit. Incompatible third-party coils will result in calibration errors or failed tripping sequences.

• Disconnection During High-Voltage Testing: Before conducting high-voltage insulation tests (such as Megger testing) on the primary power distribution network, isolate the base unit sensing lines to prevent damage to the internal measuring electronics.

• DIN Rail Clearance: Maintain the manufacturer-specified minimum vertical and horizontal spacing from high-heat components like power supplies or heating elements to ensure adequate passive convective cooling.

• Configuration Lockout: Always activate the hardware write-protection switch or password security layers after commissioning to prevent unauthorized adjustments to critical safety threshold levels.

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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