Insulation monitoring device for medical applications

Device features • Insulation monitoring for medical IT systems • Adjustable response value for insulation monitoring • Locating current injector for insulation fault location systems • Load and temperature monitoring for IT system transformers • Adjustable load current response value • Temperature monitoring with PTC thermistor or bimetal switch • Self monitoring with automatic alarm • Internal/external test button • LEDs: Power On, Alarm 1, Alarm 2 • Configurable alarm relay: N/O or N/C operation selectable • Compact two-module enclosure (36 mm) Intended use ISOMETER®s of the isoMED427x-(PT)...

Operating elements Device front Operating elements Wiring diagram

Measuring circuit Measuring circuit (IC1) Control circuit (IC2) Output circuit (IC3) Rated voltage Overvoltage category Operating altitude 250 V Permissible extraneous DC voltage Ufg < DC 300 V < 2000 m AMSL Load current monitoring Rated impulse voltage Rated insulation voltage Protective separation between Response value adjustable 5...50 A Setting values load current measurement Response time, overload (50 % to 120 %) < 5 s Response time, CT monitoring at restart, test or every 1 h Overvoltage category III, 300 V TemPerature monitoring Voltage test (routine test) according to IEC 61010-1 Supply...

Interface Connection Interface/protocol Baud rate Cable length Cable: twisted pair, one end of shield connected to PE Terminating resistor Device address, BMS bus Switching elements Connection type Nominal current Stripping length Opening force Test opening, diameter Connection properties: rigid flexible without ferrule flexible with ferrule Number 1 changeover contact Operating principle N/C operation / N/O operation Electrical endurance under rated 10,000 cycles operating conditions Rated operational voltage 230 V / 230 V / 24 V / 110 V / 220 V Rated operational current 5 A / 3 A / 1 A / 0.2...

Ordering data © Bender GmbH & Co. KG, Germany Subject to change! The specified standards take into account the edition valid until 05.2025 unless otherwise indicated. RBENDERBender GmbH & Co. KG Londorfer StraGe 65 35305 Grunberg Germany