Measuring relays for voltage monitoring DOLD

• According to IEC/EN 60 255, DIN VDE 0435-303, IEC/EN 60 947-1
• to: monitor DC and AC
• BA 9054 with measuring ranges from 15 mV to 1000 V
• MK 9054N with measuring ranges from 15 mV to 500 V
• High overload possible
• Input frequency up to 5 kHz
• Galvanic separation between Auxiliary Circuit – measuring ciruit
• Auxiliary supply AC/DC; BA 9054 with AC
• BA 9054 optionally with start-up delay (MK = standard)
• with time delay, up to max. 100 sec
• BA 9054 optionally with safe separation to IEC/EN 61140
• MK 9054N optionally with remote potentiometer
• As option with manual reset
• LED indicators for operation and contact position
• MK 9054N as option with pluggable terminal blocks for easy exchange
of devices
- with screw terminals
- or with cage clamp terminals
• Width BA 9054: 45 mm
Width MK 9054N: 22.5 mm

• According to IEC/EN 60 255, DIN VDE 0435-303
• Monitoring of undervoltage
• Without auxiliary supply
• Optionally fixed or settable response value
• N.C. circuit operation
• Optionally with off-delay t1
• Optionally with on-delay t2
• LED indicator for state of output relay
• 1 changeover contact
• Devices available in 2 enclosure versions:
IK 9173: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SK 9173: depth 98 mm, with terminals at the top for cabinets
with mounting plate and cable duct
• Width 17.5 mm

• According to IEC/EN 60 255, DIN VDE 0435-303, IEC/EN 60 947-1
• to: monitor DC and AC
• BA 9054 with measuring ranges from 15 mV to 1000 V
• MK 9054N with measuring ranges from 15 mV to 500 V
• High overload possible
• Input frequency up to 5 kHz
• Galvanic separation between Auxiliary Circuit – measuring ciruit
• Auxiliary supply AC/DC; BA 9054 with AC
• BA 9054 optionally with start-up delay (MK = standard)
• with time delay, up to max. 100 sec
• BA 9054 optionally with safe separation to IEC/EN 61140
• MK 9054N optionally with remote potentiometer
• As option with manual reset
• LED indicators for operation and contact position
• MK 9054N as option with pluggable terminal blocks for easy exchange
of devices
- with screw terminals
- or with cage clamp terminals
• Width BA 9054: 45 mm
Width MK 9054N: 22.5 mm

• AC/DC voltage measuring (single-phase)
• Start up delay, on delay
• Manual reset
• LCD for indication of the measuring values
• Relay output
MK 9064N: 1 changeover contact
MH 9064: 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
• With RS485 (on request)
• Width MK 9064N: 22.5 mm
• Width MH 9064: 45.0 mm

• AC/DC voltage measuring (single-phase)
• Start up delay, on delay
• Manual reset
• LCD for indication of the measuring values
• Relay output
MK 9064N: 1 changeover contact
MH 9064: 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
• With RS485 (on request)
• Width MK 9064N: 22.5 mm
• Width MH 9064: 45.0 mm

• According to IEC/EN 60 255-1
• For DC monitoring
• Detection of
- Overvoltage
- Untervoltage
- Voltage range excess in single-phase AC voltage systems
• No separate auxiliary necessary
• Output: 1 changeover contact
• De-energized on trip
• Adjustable switching voltage
• Adjustable hysteresis for reset
• Adjustable switching delay
• Fast fault detection
• Width: 35 mm

• According to IEC/EN 60 255-1
• For DC monitoring
• Detection of
- Overvoltage
- Untervoltage
- Voltage range excess in single-phase AC voltage systems
• No separate auxiliary necessary
• Output: 1 changeover contact
• De-energized on trip
• Adjustable switching voltage
• Adjustable hysteresis for reset
• Adjustable switching delay
• Fast fault detection
• Width: 35 mm

BA 9054/331
• According to IEC/EN 60 255
• To monitor for battery systems (emergency power supply)
• Measuring rang DC 0.12 ... 1.2 V or 0.2 ... 2 V
• Without separately auxiliary voltage
• High overload possible
• With time delay 10 s
• LED indicators for operation and contact position
• Width: 45 mm
BA 9054/332
as BA 9054/331 but with
• battery voltages up to 500 V
• separately auxiliary voltage

BA 9054/331
• According to IEC/EN 60 255
• To monitor for battery systems (emergency power supply)
• Measuring rang DC 0.12 ... 1.2 V or 0.2 ... 2 V
• Without separately auxiliary voltage
• High overload possible
• With time delay 10 s
• LED indicators for operation and contact position
• Width: 45 mm

BA 9054/332
as BA 9054/331 but with
• battery voltages up to 500 V
• separately auxiliary voltage