0 varerThe multifunctional measuring relays that make up the DOLD VARIMETER PRO series offer a wide range of functionality with a minimal width. These universal devices can be installed in a space-saving manner in control cabinets and are cost-effective due to their flexible usage. With a reliable and continuous monitoring of three phase networks, the multifunctional measuring relays guarantee a trouble-free and thus efficient operation of machines and systems. Their use is also rewarding in single phase networks. The user-friendly device configuration allows an optimal adaptation to the application.
 | Multifunction Measuring Relay MK 9300N • Multifunction measuring relay acc. to EN 60255-1 • Voltage monitoring (1- and 3-phase) • Current monitoring • Frequency monitoring • Power factor cos phi • Phase sequence, phase failure, asymmetry • Effective-, reactive- and apparent power • Start up delay, on delay • Adjustable hysteresis 0.2 ... 50 % of response value • Manual reset • LCD for indication of the measuring values • Relay output MK 9300N: 1 changeover contact MH 9300: 2 x 1 changeover contacts • Relay function selectable (energized/de-energized on trip) • As option with plugable terminal blocks for easy exchange of devices - with screw terminals - or with cage clamp terminals • MK 9300N: Width 22,5 mm | Download datablad |
 | Multifunction Measuring Relay MH 9300 • Multifunction measuring relay acc. to EN 60255-1 • Voltage monitoring (1- and 3-phase) • Current monitoring • Frequency monitoring • Power factor cos phi • Phase sequence, phase failure, asymmetry • Effective-, reactive- and apparent power • Start up delay, on delay • Adjustable hysteresis 0.2 ... 50 % of response value • Manual reset • LCD for indication of the measuring values • Relay output MK 9300N: 1 changeover contact MH 9300: 2 x 1 changeover contacts • Relay function selectable (energized/de-energized on trip) • As option with plugable terminal blocks for easy exchange of devices - with screw terminals - or with cage clamp terminals • MH 9300: Width 45 mm | Download datablad |
 | Phase monitor RL 9877 • According to IEC/EN 60 255-1 • For monitoring of AC 3- and single-phase with 50 /60 Hz • Detection of -- Overvoltage -- Undervoltage -- Voltage range excess -- Phase failure -- Phase asymmetry -- missing neutral e.g. broken neutral wire -- and phase sequence in 3-phase systems • With or without neutral • No separate auxiliary necessary • Output: 1 changeover contact • De-energized on trip • Adjustable hysteresis for reset • Adjustable switching delay • Fast fault detection • Width: -- RL 9877: 35 mm -- RN 9877: 52.5 mm | Download datablad |
 | Phase monitor RN 9877 • According to IEC/EN 60 255-1 • For monitoring of AC 3- and single-phase with 50 /60 Hz • Detection of -- Overvoltage -- Undervoltage -- Voltage range excess -- Phase failure -- Phase asymmetry -- missing neutral e.g. broken neutral wire -- and phase sequence in 3-phase systems • With or without neutral • No separate auxiliary necessary • Output: 1 changeover contact • De-energized on trip • Adjustable hysteresis for reset • Adjustable switching delay • Fast fault detection • Width: -- RL 9877: 35 mm -- RN 9877: 52.5 mm | Download datablad |
 | Phase monitor with thermistor motor protection IL 9086 • According to IEC/EN 60 255, DIN VDE 0660 part 302 (pr EN 60 947-8) and part 303 • Monitoring of - Undervoltage 3 phase - Phase failure - Phase sequence - Loss of neutral - Phase asymmetry - Overtemperature - Broken wire in thermistor circuit - Short circuit in thermistor circuit • Without auxiliary supply • 1 sensing input for 1 ... 6 thermistors • LED indication - Supply voltage - Measuring voltage - Temperature • As option with manual reset on temperature fault • 2 x 1 changeover contact • Depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880 | Download datablad |
 | Phase monitor with thermistor motor protection SL 9086 • According to IEC/EN 60 255, DIN VDE 0660 part 302 (pr EN 60 947-8) and part 303 • Monitoring of - Undervoltage 3 phase - Phase failure - Phase sequence - Loss of neutral - Phase asymmetry - Overtemperature - Broken wire in thermistor circuit - Short circuit in thermistor circuit • Without auxiliary supply • 1 sensing input for 1 ... 6 thermistors • LED indication - Supply voltage - Measuring voltage - Temperature • As option with manual reset on temperature fault • 2 x 1 changeover contact • Depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct • Width 35 mm | Download datablad |
 | Phase monitor IL 9087 • According to IEC/EN 60 255, VDE 0435, DIN VDE 0660 part 302 (pr EN 60 947-8) and part 303 • Monitoring of phase failure - Undervoltage 3-phase 3 or 4 wire - Phase failure - Phase sequence - Loss of neutral - Phase asymmetry • Without auxiliary supply • De-energized on trip • LED indication - Supply voltage - Phase failure • 1 or 2 changeover contacts • Depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880 • Width 35 mm | Download datablad |
 | Phase monitor SL 9087 • According to IEC/EN 60 255, VDE 0435, DIN VDE 0660 part 302 (pr EN 60 947-8) and part 303 • Monitoring of phase failure - Undervoltage 3-phase 3 or 4 wire - Phase failure - Phase sequence - Loss of neutral - Phase asymmetry • Without auxiliary supply • De-energized on trip • LED indication - Supply voltage - Phase failure • 1 or 2 changeover contacts • Depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct • Width 35 mm | Download datablad |
 | Over- and undervoltage relay IL 9077 • According to IEC/EN 60 255, DIN VDE 0435-303 • Identification of overvoltage, undervoltage and phase failure • With asymmetry identification as an option • Mains fault diagnostics with a number of LEDs • Setting values for overvoltage and undervoltage can be set separately • Large Setting Ranges 0.9 ... 1.3 UN and 0.7 ... 1.1 UN • Time delay variable between 0.1 ... 20 s • Closed circuit operation • No auxiliary voltage • Independant of phase sequence • As option with phase sequence detection • Single-phase connection possible • Optionally for 3P3W Systems • 2 changeover contacts, at IP/SP 9077 2 x 2 changeover contacts • Devices available in 2 enclosure versions: I-model: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880 S-model: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct • IL 9077, SL 9077: width 35 mm | Download datablad |
 | Over- and undervoltage relay IP 9077 • According to IEC/EN 60 255, DIN VDE 0435-303 • Identification of overvoltage, undervoltage and phase failure • With asymmetry identification as an option • Mains fault diagnostics with a number of LEDs • Setting values for overvoltage and undervoltage can be set separately • Large Setting Ranges 0.9 ... 1.3 UN and 0.7 ... 1.1 UN • Time delay variable between 0.1 ... 20 s • Closed circuit operation • No auxiliary voltage • Independant of phase sequence • As option with phase sequence detection • Single-phase connection possible • Optionally for 3P3W Systems • 2 changeover contacts, at IP/SP 9077 2 x 2 changeover contacts • Devices available in 2 enclosure versions: I-model: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880 S-model: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct • IP 9077, SP 9077: width 70 mm | Download datablad |
 | Over- and undervoltage relay SL 9077 • According to IEC/EN 60 255, DIN VDE 0435-303 • Identification of overvoltage, undervoltage and phase failure • With asymmetry identification as an option • Mains fault diagnostics with a number of LEDs • Setting values for overvoltage and undervoltage can be set separately • Large Setting Ranges 0.9 ... 1.3 UN and 0.7 ... 1.1 UN • Time delay variable between 0.1 ... 20 s • Closed circuit operation • No auxiliary voltage • Independant of phase sequence • As option with phase sequence detection • Single-phase connection possible • Optionally for 3P3W Systems • 2 changeover contacts, at IP/SP 9077 2 x 2 changeover contacts • Devices available in 2 enclosure versions: I-model: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880 S-model: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct • IL 9077, SL 9077: width 35 mm | Download datablad |
 | Over- and undervoltage relay SP 9077 • According to IEC/EN 60 255, DIN VDE 0435-303 • Identification of overvoltage, undervoltage and phase failure • With asymmetry identification as an option • Mains fault diagnostics with a number of LEDs • Setting values for overvoltage and undervoltage can be set separately • Large Setting Ranges 0.9 ... 1.3 UN and 0.7 ... 1.1 UN • Time delay variable between 0.1 ... 20 s • Closed circuit operation • No auxiliary voltage • Independant of phase sequence • As option with phase sequence detection • Single-phase connection possible • Optionally for 3P3W Systems • 2 changeover contacts, at IP/SP 9077 2 x 2 changeover contacts • Devices available in 2 enclosure versions: I-model: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880 S-model: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct • IP 9077, SP 9077: width 70 mm | Download datablad |
 | Transformer protection IP 9111/107 | |
 | Phase monitor BD 9080 • According to IEC/EN 60255-1, IEC/EN 60255-26, DIN VDE 0435-303 • Monitoring of - Under- and overvoltage - Asymmetry - Phase failure - Phase sequence • Adjustable time delay between 0.1 ... 5 s • One LED in each case for: - Auxiliary voltage A1/A2 -Overvoltage Umax. - Undervoltage Umin. - Asymmetry / Phase sequence / Power failure - Contact position • Closed circuit operation • 2 changeover contacts • As option available with open circuit operation • Width 45 mm | Download datablad |
