AGH 160 BENDER

AGH 160 BENDER Termination Unit

Product  Description：

Bender Termination Units are specialized electrical network components designed for industrial and medical power systems, particularly those utilizing isolated, ungrounded power supplies (IT systems). These units serve as the physical and electrical end-points or interface points for insulation monitoring devices, line isolation monitors, and communication networks like the Bender BMS (Bender Measuring Device Interface) bus. They ensure correct impedance matching, signal stabilization, and reliable terminal connections for critical diagnostic wiring.

Product Parameters

The technical characteristics of a Bender Termination Unit focus on voltage compatibility, resistance values, and communication network specifications:

• Operating Voltage Range: Engineered to handle system voltages typically from 24V AC/DC up to 400V AC or higher, depending on whether it is a network or a power-line termination unit.

• Termination Resistance: Features precisely matched internal resistors, commonly 120 Ohms for RS-485 based BMS communication buses, to prevent data corruption.

• Dielectric Strength: High insulation voltage testing, often rated up to 4kV or higher, to maintain isolation integrity in ungrounded IT networks.

• Connection Capacity: Accepts solid or stranded control wiring generally ranging from 0.2 square millimeters to 2.5 square millimeters (AWG 24 to 12).

• Enclosure Protection Class: Typically rated for IP20 inside control panels, requiring installation in a protected electrical enclosure.

• Temperature Range: Built to withstand typical control cabinet environments, rated for operation from -25°C to 55°C.

Product Advantages

Integrating a Bender Termination Unit into an electrical monitoring layout provides several operational and safety benefits:

• Signal Reflection Elimination: By providing precise impedance matching at the physical ends of a data line, the unit eliminates signal echoes and reflections, ensuring clean communication across long cable distances.

• System Voltage Stability: Prevents measurement fluctuations in ground-fault detection equipment by establishing a fixed, known physical reference point for monitoring signals.

• Modular and Compact Design: The slim housing design occupies minimal space on standard DIN rails, making it easy to integrate into crowded medical or industrial distribution panels.

• Enhanced Electrical Safety: Built with self-extinguishing, flame-retardant materials that meet strict global safety standards for critical infrastructure.

• Simplified Commissioning: Eliminates the need for field technicians to manually construct resistor networks, reducing installation time and eliminating wiring errors during system setup.

Product Applications

These termination units are crucial components in systems where power continuity and signal integrity are vital:

• Hospital Operating Rooms: Installed within medical isolation panels to ensure flawless communication between the Line Isolation Monitor (LIM) and remote nurse station alarm panels.

• Industrial Automated Manufacturing: Serving as the network end-point for continuous insulation monitoring systems in manufacturing plants that cannot tolerate unexpected shutdowns.

• Electric Vehicle Charging Infrastructure: Used within the monitoring circuits of DC fast-charging stations to terminate safety communication lines that detect insulation breakdown.

• Marine and Offshore Vessels: Ensuring the reliability of ungrounded shipboard power distribution monitoring, where salt and vibration challenge network signals.

• Renewable Energy Installations: Applied in large-scale photovoltaic solar fields and wind turbines to terminate tracking and monitoring networks across long physical distances.

Important Precautions

To avoid system disruption or hazardous electrical conditions, the following installation guidelines must be followed:

• Placement Verification: Communication bus termination units must only be installed at the two absolute physical ends of the network line. Placing them in the middle of a bus loop will attenuate the signal and cause communication dropouts.

• Power De-energization: Before mounting, wiring, or servicing the termination unit, completely shut off the power supply to the monitoring network to prevent electric shock or component damage.

• Tightness of Terminals: Verify that all screw or spring terminals are tightened to the recommended torque. Loose connections can introduce variable resistance, distorting insulation measurements or network data.

• Isolation Maintenance: Ensure that the field wiring connected to the unit does not bypass the system's overall isolation boundary. The wiring must be kept clear of any direct grounding paths.

• Environment Protection: Do not expose the unit to direct moisture, oil mist, or conductive dust. In harsh environments, it must be mounted inside a sealed enclosure with an appropriate IP rating.

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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Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.