Measuring and monitoring relays DOLD

• 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

• According to IEC/EN 60 255, VDE 0435
• 2 PT 100 inputs with separate outputs or alternatively
common output
• Optionally 1 PT 100 input with 2 separate outputs for
2 different response values
• Separate adjustable response and release values for each input
• Optionally with fixed response and release values
• Broken wire detection in sensor circuit
• Closed circuit operation
• 2 wire connection
• Width 45 mm

• According to IEC/EN 60255-1, IEC/EN 60255-26
• For standstill monitoring of 3- and 1-phase asynchronous motors
• Line breakage detection in the measurement circuit
• Forcibly guided output contacts:
2 NO, 2 NC contacts for 250 V AC
• LED indicators for motor standstill, line breakage, and operating
voltage
• Wire connection: also 2 x 1.5 mm2 stranded ferruled (isolated),
DIN 46 228/-1/-2/-3/-4 or
2 x 2.5 mm2 stranded ferruled DIN 46 228-1/-2/-3
• Width 45 mm

• 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
• 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 60 255-1, VDE 0435 part 303
• Detection of high or low-rpm / stand still (adjustable function)
• Large setting range 1 ... 120.000 IPM or
0.15 ... 20.000 Hz (10 ranges each)
• As option with input for NAMUR-sensors with sensor and
wire protection against interruption and short circuit
• Adjustable hysteresis 0.5 ... 50 %
• Adjustable start up time delay 0 ... 50 s, control with external contact
• Adjustable monitoring time for missing input signal at function
overfrequency; additional using as standstill level
• Programmable via termminals:
- Alarm delay of 0 ... 100 s
- with manual reset or auto reset
• LED-indication for auxiliary voltage, measuring input and output relay;
additional LED for indication of wire- / sensor failure at NAMUR-input
• Auxiliary voltages AC 230 V and DC 24 V in one unit
• 2 changeover contacts, closed circuit operation
• Open circuit operation on request
• As option with analogue output, proportionally to speed
• Device available with 2 response values and seperately controlled
output relays for under- and overfrequency see MK 9055N/5_ _
• MH 9055 with wide input range for auxiliary voltage
(AC/DC 24 ... 60 V or AC/DC 110 ... 230 V)
• 2 possible compact designs
MK 9055N: Width 22,5 mm
MH 9055: Width 45 mm

• According to DIN VDE 0660 part 302 (pr EN 60 947-8)
and part 303
• 1 input for PTC-resistors or bimetal contacts
• Broken wire detection in sensor circuit
• Optionally with no voltage reclosing interlock
• Closed circuit operation
• 1 or 2 changeover contacts
• Width 45 mm

• According to IEC/EN 60 255, DIN VDE 0435-303
• IP 9271, SP 9271, SP 9271CT: 3-phase
IK 9271, IL 9271, SK 9271, SL 9271, SL 9271CT: single phase
• Measuring ranges from 0.1 ... 100 A
• IK 9271, SK 9271:
with 4 ranges settable by rotational switch, 1 changeover contact
• IL 9271, SL 9271:
with 5 ranges settable by rotational switch, 1 changeover contact
with 4 ranges programmable by bridges, 2 changeover contacts
• IP 9271, SP 9271: with 1 range, 2 changeover contacts
• Settable response value
• Fixed hysteresis
• Settable time delay
• De-energized on trip
• Optionally 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 installations 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 9271, SK 9271: 17.5 mm
IL 9271, SL 9271, SL 9271CT: 35 mm
IP 9271, SP 9271, SP 9271CT: 70 mm