Monitoring devices DOLD

• According to IEC/EN 60 255-1
• For monitoring of current in DC and AC systems
• Detection of over- or undercurrent in AC- or DC mains
• Wide auxiliary range
• Output: 1 changeover contact
• De-Energized on trip
• Adjustable switching current
• Adjustable hysteresis for reset
• Adjustable switching delay
• Fast fault detection
• Width: 35 mm

• According to IEC/EN 60 255, DIN VDE 0435-303
• 1 PT100 input, 2-wire connection
• 3 temperature ranges
• Adjustable response value
• Adjustable Hysteresis with wide range 3 ... 30 °C or 1 ... 15°C
• Broken wire detection in sensor circuit
• Programmable hysteresis or latching function via terminal X1
• IK 9094 no galvanic separation between measuring and Auxiliary Circuit
• Closed circuit operation
• LED indicator for operation and state of output relay
• 1 changeover contact
• As option with response value up to - 50°C, e.g. for refrigeration plants
• As option with galvanic separation between measuring and
Auxiliary Circuit
• 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
• IK 9094, SK 9094: 17.5 mm width
IL 9094, SL 9094: 35 mm width

• According to IEC/EN 60 255, DIN VDE 0435-303
• 3 probe connections for 2-point and 1-point level control
• Also for use as moisture detector
• High interference resistance of the Measuring Circuit,
which is isolated from the mains
• Max. wire length to the probes: 1500 m
• Large setting range: 2 ... 450 kΩ
this permits differentiation between fluid and foam
• Separately adjustable response and release time delay
0.2 ... 20 s for MIN- and MAX-level
• Programmable for:
- 2 separate controllable output relays for MIN and MAX level
- common controlled output relays for 2-point hysteresis
level control
- open circuit operation
- closed circuit operation
• Measuring Circuit for probes works with internally generated
AC voltage (approx. 30 Hz), electrolytic behaviour does not
occur in the liquid
• For auxiliary voltages of 24 ... 415 V AC or 24 V DC
• LEDs for operation and state of contact
• 2 changeover relays with 1 changeover contact each
• IL 9151 and SL 9151 with safe separation according to
IEC/EN 61 140, IEC/EN 60 947-1
• Devices available in 3 enclosure versions:
IL 9151: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SL 9151,
MK 9151N: depth 98 mm, with terminals at the top for
cabinets with mounting plate and cable duct
• IL/SL 9151: 35 mm width
MK 9151N: 22.5 mm width

• According to IEC/EN 60 255, DIN VDE 0435-303
• Measuring range 0.175 ... 1 A
• Fixed switching point setting
• High maximum load
• As option with semiconductor output
• Width
IK 8839: 17.5 mm
IL 8839: 35 mm

• According to IEC/EN 60 255, DIN VDE 0435-303
• 3 probe connections for 2-point and 1-point level control
• Also for use as moisture detector
• High interference resistance of the Measuring Circuit,
which is isolated from the mains
• Max. wire length to the probes: 1500 m
• Large setting range: 2 ... 450 kΩ
this permits differentiation between fluid and foam
• Separately adjustable response and release time delay
0.2 ... 20 s for MIN- and MAX-level
• Programmable for:
- 2 separate controllable output relays for MIN and MAX level
- common controlled output relays for 2-point hysteresis
level control
- open circuit operation
- closed circuit operation
• Measuring Circuit for probes works with internally generated
AC voltage (approx. 30 Hz), electrolytic behaviour does not
occur in the liquid
• For auxiliary voltages of 24 ... 415 V AC or 24 V DC
• LEDs for operation and state of contact
• 2 changeover relays with 1 changeover contact each
• IL 9151 and SL 9151 with safe separation according to
IEC/EN 61 140, IEC/EN 60 947-1
• Devices available in 3 enclosure versions:
IL 9151: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SL 9151,
MK 9151N: depth 98 mm, with terminals at the top for
cabinets with mounting plate and cable duct
• IL/SL 9151: 35 mm width
MK 9151N: 22.5 mm width

• According to IEC/EN 60 255, DIN VDE 0435-303
• 1 PT100 input, 2-wire connection
• 3 temperature ranges
• Adjustable response value
• Adjustable Hysteresis with wide range 3 ... 30 °C or 1 ... 15°C
• Broken wire detection in sensor circuit
• Programmable hysteresis or latching function via terminal X1
• IK 9094 no galvanic separation between measuring and Auxiliary Circuit
• Closed circuit operation
• LED indicator for operation and state of output relay
• 1 changeover contact
• As option with response value up to - 50°C, e.g. for refrigeration plants
• As option with galvanic separation between measuring and
Auxiliary Circuit
• 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
• IK 9094, SK 9094: 17.5 mm width
IL 9094, SL 9094: 35 mm width

• According to EN 60947-5-1, EN 60947-8, EN 60079-14, EN 61508, EN 50495, EN 13849
• Monitioring of
- overtemperature
- broken wire detection in sensor circuit
- short circuit detection in sensor circuit
• 1 input for 1 to 6 PTC-resistors
• De-energized on trip
• LED-indicator for
- auxiliary supply
- state of contact
• Output with 2 changeover contacts
• As option with manual reset, internal reset button and external
remote reset X1/X2
• Wire connection: also 2 x 1.5 mm2 stranded ferruled, or
2 x 2.5 mm2 solid DIN 46 228-1/-2/-3/-4
• As option with pluggable terminal blocks for easy exchange
of devices
- with screw terminals
- or with cage clamp terminals
• Width 22.5 mm

• According to IEC/EN 60 255, DIN VDE 0435-303
• 3 probe connections for 2-point and 1-point level control
• Also for use as moisture detector
• High interference resistance of the Measuring Circuit,
which is isolated from the mains
• Max. wire length to the probes: 1500 m
• Large setting range: 2 ... 450 kΩ
this permits differentiation between fluid and foam
• Separately adjustable response and release time delay
0.2 ... 20 s for MIN- and MAX-level
• Programmable for:
- 2 separate controllable output relays for MIN and MAX level
- common controlled output relays for 2-point hysteresis
level control
- open circuit operation
- closed circuit operation
• Measuring Circuit for probes works with internally generated
AC voltage (approx. 30 Hz), electrolytic behaviour does not
occur in the liquid
• For auxiliary voltages of 24 ... 415 V AC or 24 V DC
• LEDs for operation and state of contact
• 2 changeover relays with 1 changeover contact each
• IL 9151 and SL 9151 with safe separation according to
IEC/EN 61 140, IEC/EN 60 947-1
• Devices available in 3 enclosure versions:
IL 9151: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SL 9151,
MK 9151N: depth 98 mm, with terminals at the top for
cabinets with mounting plate and cable duct
• IL/SL 9151: 35 mm width
MK 9151N: 22.5 mm width

• According to IEC/EN 60 255, DIN VDE 0435-303
• Detection of over- or underspeed or frequency, function
selectable
• 3 selectable ranges for frequency or speed, adjustable tripping
value
• Ranges up to 10 kHz ( 600.000 ipm) available,therefore suitable
for turbines, centrifuges and similar applications
• Adjustable hysteresis
• Input also suitable for SKF sensor bearings
• As option for Namur sensors
• As option for permanent magnet sensors
• As option with adjustable switching delay/start up delay
• On request with manual reset
• IK 9055 and SK 9055: compact version for DC 24 V auxiliary
supply
• IL 9055 and SL 9055: for auxiliary supply up to AC 400 V with
galvanic separation to sensor input
• De-energized on trip (Energized on trip on request)
• LED indicators for auxiliary supply, sensor pulses and contact
position
• 1 changeover contact (2 changeover on request)
• Devices available in 2 enclosure versions:
IK/IL 9055: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SK/SL 9055: depth 98 mm, with terminals at the top for
cabinets with mounting plate and cable duct
• IK 9055, SK 9055: width 17.5 mm
• IL 9055, SL 9055: width 35 mm

• Protection of persons, machines and products
• Easy setting
• Universal input, for configuration of different sensors
(PNP, NPN, 2-wire, contact, voltage)

• According to IEC/EN 60 255-1
• Detection of
- underspeed
- overspeed
- standstill
• Adjustable response value
• BA 9055 with adjustable start-up delay
• AA 9050 with adjustable hysteresis
• Width 45 mm

• According to IEC/EN 60 255-1
• Monitoring of:
-- overtemperature
-- broken wire detection in sensor circuit
• 1 input for 1 to 6 PTC-resistors
• With manual reset variant /100
• Optionally with button for reset and test function
• Remote reset on A1/A2 (NC contact) or
X1/X2 (NO contact)
• Closed circuit operation
• LED indicator for
-- auxiliary supply
-- state of contact
• 2 changover contacts
• Devices available in 2 enclosure versions:
IL 9163: depth 58 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SL 9163: 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
• Detection of over- or underspeed or frequency, function
selectable
• 3 selectable ranges for frequency or speed, adjustable tripping
value
• Ranges up to 10 kHz ( 600.000 ipm) available,therefore suitable
for turbines, centrifuges and similar applications
• Adjustable hysteresis
• Input also suitable for SKF sensor bearings
• As option for Namur sensors
• As option for permanent magnet sensors
• As option with adjustable switching delay/start up delay
• On request with manual reset
• IK 9055 and SK 9055: compact version for DC 24 V auxiliary
supply
• IL 9055 and SL 9055: for auxiliary supply up to AC 400 V with
galvanic separation to sensor input
• De-energized on trip (Energized on trip on request)
• LED indicators for auxiliary supply, sensor pulses and contact
position
• 1 changeover contact (2 changeover on request)
• Devices available in 2 enclosure versions:
IK/IL 9055: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SK/SL 9055: depth 98 mm, with terminals at the top for
cabinets with mounting plate and cable duct
• IK 9055, SK 9055: width 17.5 mm
• IL 9055, SL 9055: width 35 mm

• According to IEC/EN 60 255-1
• Detection of
- underspeed
- overspeed
- standstill
• Adjustable response value
• BA 9055 with adjustable start-up delay
• AA 9050 with adjustable hysteresis
• Width 45 mm

• According to IEC/EN 60 255, DIN VDE 0435-303
• Detection of standstill of rotating machine parts and cyclic pulses
• Detection of blocking or missing pulses
• Monitoring time adjustable between 0.1 ... 20 s (others on request)
• Energized or de-energized on trip
• For input frequency up to 5 kHz( 300000 ipm)
• Universal input, suitable for a variety of sensors
(PNP,NPN,2-wire, contact, voltage)
• Input also suitable for SKF sensor bearings
• As option for Namur sensors
• On request with manual reset
• IK 9144 and SK 9144: compact version for DC 24V auxiliary supply
• IL 9144 and SL 9144: for auxiliary supply up to AC 400V with
galvanic separation to sensor input
• LED indicators for auxiliary supply, sensor pulses and contact
position
• 1 changeover contact (2 changeover on request)
• Devices available in 2 enclosure versions:
IK/IL 9144: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SK/SL 9144: depth 98 mm, with terminals at the top for
cabinets with mounting plate and cable duct
• IK 9144, SK 9144: width 17.5 mm
• IL 9144, SL 9144: width 35 mm

• According to IEC/EN 60 255, DIN VDE 0435-303
• Detection of over- or underspeed or frequency, function
selectable
• 3 selectable ranges for frequency or speed, adjustable tripping
value
• Ranges up to 10 kHz ( 600.000 ipm) available,therefore suitable
for turbines, centrifuges and similar applications
• Adjustable hysteresis
• Input also suitable for SKF sensor bearings
• As option for Namur sensors
• As option for permanent magnet sensors
• As option with adjustable switching delay/start up delay
• On request with manual reset
• IK 9055 and SK 9055: compact version for DC 24 V auxiliary
supply
• IL 9055 and SL 9055: for auxiliary supply up to AC 400 V with
galvanic separation to sensor input
• De-energized on trip (Energized on trip on request)
• LED indicators for auxiliary supply, sensor pulses and contact
position
• 1 changeover contact (2 changeover on request)
• Devices available in 2 enclosure versions:
IK/IL 9055: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SK/SL 9055: depth 98 mm, with terminals at the top for
cabinets with mounting plate and cable duct
• IK 9055, SK 9055: width 17.5 mm
• IL 9055, SL 9055: width 35 mm

• According to IEC/EN 60 255-1
• IP 9270, SP 9270CT: 3-phase
IK 9270, SK 9270, IL 9270, SL 9270CT: single phase
• Measuring ranges from 0.1 ... 100 A
• Settable response value
• Fixed hysteresis
• Settable time delay
• de-energized on trip
• energized on trip
• LED indicators
• With auxiliary voltage
• Auxiliary supply and measuring input galvanic separated
• Devices available in 2 enclosure versions:
- I-model, e.g. IK _ _ _ _, depth 61 mm
with terminals at the bottom for installation systems and
industrial distribution systems according to DIN 43 880
- S-model, e.g. SK _ _ _ _, depth 100 mm
with terminals at the top for cabinets with mounting plate
and cable duct
• Width IK 9270, SK 9270: 17.5 mm
IL 9270, SL 9270CT: 35 mm

• According to IEC/EN 60 255, DIN VDE 0435-303
• Detection of standstill of rotating machine parts and cyclic pulses
• Detection of blocking or missing pulses
• Monitoring time adjustable between 0.1 ... 20 s (others on request)
• Energized or de-energized on trip
• For input frequency up to 5 kHz( 300000 ipm)
• Universal input, suitable for a variety of sensors
(PNP,NPN,2-wire, contact, voltage)
• Input also suitable for SKF sensor bearings
• As option for Namur sensors
• On request with manual reset
• IK 9144 and SK 9144: compact version for DC 24V auxiliary supply
• IL 9144 and SL 9144: for auxiliary supply up to AC 400V with
galvanic separation to sensor input
• LED indicators for auxiliary supply, sensor pulses and contact
position
• 1 changeover contact (2 changeover on request)
• Devices available in 2 enclosure versions:
IK/IL 9144: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SK/SL 9144: depth 98 mm, with terminals at the top for
cabinets with mounting plate and cable duct
• IK 9144, SK 9144: width 17.5 mm
• IL 9144, SL 9144: width 35 mm