What is the Bender IRDH275-427 and what are its key features
The AC and DC IT systems BENDER IRDH275-427 is an insulation monitoring device designed for DC and AC electrical systems, reliably detecting insulation faults and effectively preventing system failures caused by insulation issues. As a key member of the IRDH series, this insulation monitor offers high-precision measurement performance and features a clear, easy-to-read LED display, providing operators with real-time visibility of system insulation status. Compatible with DC voltages from 19.2 to 72 VDC and AC voltages from 19.2 to 55 VAC, it is flexible and adaptable to a wide range of industrial applications. Although discontinued, this product still plays a vital role in existing systems, and Radwell's two-year warranty guarantees its continued reliability.
Why is the device considered valuable and where is it commonly used
The core value of this device lies in its ability to effectively prevent system downtime, equipment damage, and safety incidents caused by insulation faults. By monitoring the insulation resistance of ungrounded or floating systems in real time, it alerts technicians to incipient faults, preventing them from escalating. This device is particularly widely used in industrial environments, automation control systems, and power grids, where safety and reliability are paramount. The LED display provides users with intuitive and timely status indications, enabling maintenance teams to respond quickly. Despite being discontinued, the Insulation Monitoring Device IRDH275-427 BENDER remains valuable in existing legacy systems, and newer models such as the ISO685 series are recommended as replacements for new installations.
How does the device operate and how is it installed
The Bender IRDH275-427 operates by continuously measuring the insulation resistance between a live conductor and ground. When the resistance falls below a set threshold, the device triggers an alarm, enabling maintenance personnel to quickly locate and resolve the problem. Its LED display clearly and intuitively displays the insulation status, providing instant visual feedback. Installation is simple, with clearly labeled terminals allowing for quick connection to the specified DC or AC circuit range. Despite being discontinued, it continues to be valuable in many legacy systems due to its reliable durability and monitoring accuracy. Radwell's two-year warranty further protects users, ensuring continued availability even after manufacturer support ends.
What options exist for continued use or replacement of the device
Although the BENDER IRDH275-427 AC and DC IT systems has been discontinued, it remains a reliable insulation monitoring solution for current industrial and electrical applications. Its wide voltage compatibility, clear LED display, and rugged mechanical construction make it an ideal choice for maintaining system safety and stable operation. For users still using the device, Radwell's two-year warranty provides continued technical support. For those considering upgrading or replacing older equipment, the ISO685 series offers a modern alternative with similar monitoring capabilities. Overall, it fully demonstrates the critical role insulation monitoring devices play in ensuring electrical system stability and preventing catastrophic failures.
Recommended Model
| BA20160 | 6ES73135BF030AB0 | BENTLY NEVADA 3500 3500/42 |
| SX4R03FB4 | 3441561000 1XK8249 | BSH0702M01A1A 65032201-003 |
| REO-444-R1 | HOMA PS25-D4 8234584 | RKH0011/005,0 R911343795 /AA |
| LP1D65004BD | S500B060R000 09080098 | 131L9795 VLT FC-101P1K5T2E20H4 |
| 10338-53000 | BCL-32-R1-F-100 50036273 | SICK KTX-WP91141242ZZZZ 1078101 |
| 4220-1491-05 | DGC-32-500-G-PPV-A 532448 | 891.34.1998 891341998 7568305 0207 |
| 6XV14404BH80 | HYDAC EDS 348-5-100-000 | LEUZE ROTOSCAN RS4-4 50034195 |
| 380030 05091246 | O444 R1S 60VOLTS 3394037 | DIGIFAS7200 DIGIFAS 7201 /B2 |
| E1000-MT 0150-1615 | B&R ACOPOS 1010 8V1010.50-2 | GSBCE*44-E*00* GSBCE44E00 |
If you want to know details，please contact me without hesitate.
