RI-R44-V Insulation monitoring up to 440 VAC. LCD. RS485 available.

Insulation monitoring devices for fault detection network up to 24...440 VAC with digital display, RS485 available, reset auto or manual, trip relay standard or fail-safe

Introduction
Range	RI
Product name	RI-R44-V
Product type	Insulation monitoring device
Application	Production plant protection Motor protection Transformation lines protection
Earthing system	IT

Technical characteristics
Network voltage	24...440 VAC at 50...60 Hz 24...1000 VAC at 50...60 Hz (with external adapter)
Auxiliary supply	230 VAC 50/60 Hz 110 VAC 50/60 Hz (optional) 18...48 VAC 50/60 Hz - 20...60 VDC (optional)
Power consumption	2 VA
Type of measurement	Network insulation resistance
Intervention threshold	Prealarm: 1...999 kOhm Trip: 1...999 kOhm
Response time	< 1 s
Trip delay selectable	0...100000 s
Measurement current	0,015 mA (max)
Measurement voltage	13 VDC
Internal impedance	350 kOhm
Reset function	Auto Manual
Test function	Local
Output relay	1 changeover (TRIP) 5 A (240 VAC) Standard or fail-safe selectable
Local signalling	Green LED (power ON) Red LED (TRIP) Yellow LED (ALARM)
Display type	LCD backlight (red TRIP) LCD backlight (yellow ALARM)
Mounting mode	DIN rail 2 modules
Standards	CEI-EN 61010-1 CEI-EN 61557-8 CEI-EN 61326-1
Weight	200g

Environment
IP degree of protection	Front IP40 with cover IP20 terminals
Relative humidity	5...90%
Operating temperature	-10...+60 °C
Storage temperature	-20...+70 °C

Options
Communication port	RS485 Modbus