Multifunctional measuring relays DOLD

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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