CARLO GAVAZZI A82-20250 - A82 monitoring relay, current transformer, RMS measurement, 250 

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Current transformers with RMS measurement for the current ranges 25, 50, 100, 250 or 500 AAC. Output current ranges according to IEC 60381-1 (A 82-10, A 82-20) or output voltage according to IEC 60381-2 (A 82-30). The A 82-10 and A 82-20 converters can be used with the following monitoring relays: DIB01, PIB01, DIC01, PIC01. A 82-30 can be used with DUB01, PUB01, DUB71, DUC01 or PUC01. The converters are designed for direct PLC connection. A green LED on the enclosure side indicates whether the operating voltage is switched on.


5 input current ranges:
  • 0 - 25 AAC
  • 0 - 50 AAC
  • 0 - 100 AAC
  • 0 - 250 AAC
  • 0 - 500 AAC

Output current/voltage ranges:
  • A 82-10: 0 - 20 mADC (current source)
  • A 82-20: 4 - 20 mADC (load)
  • A 82-30: 0 - 10 VDC

Simple interface for PLC or monitoring relay

EAN: 5709870081601
Delivery Cost: 9.95 EUR
Availability: in stock
Delivery Time: 4-5 business days
Condition: new

Comparison of Similar Products

CARLO GAVAZZI A82-20100 - A82 monitoring relay, current transformer, RMS measurement, 100  CARLO GAVAZZI A82-20100 - A82 monitoring relay, current transformer, RMS measurement, 100  194.45 EUR Current transformers with RMS measurement for the current ranges 25, 50, 100, 250 or 500 AAC. Output current ranges according to IEC 60381-1 (A 82-10, A 82-20) or output voltage according to IEC 60381-2 (A 82-30). The A 82-10 and A 82-20 converters can be used with the following monitoring relays: DIB01, PIB01, DIC01, PIC01. A 82-30 can be used with DUB01, PUB01, DUB71, DUC01 or PUC01. The converters are designed for direct PLC connection. A green LED on the enclosure side indicates whether the operating voltage is switched on.


5 input current ranges:
  • 0 - 25 AAC
  • 0 - 50 AAC
  • 0 - 100 AAC
  • 0 - 250 AAC
  • 0 - 500 AAC

Output current/voltage ranges:
  • A 82-10: 0 - 20 mADC (current source)
  • A 82-20: 4 - 20 mADC (load)
  • A 82-30: 0 - 10 VDC

Simple interface for PLC or monitoring relay
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  • Dimensions (W x H x D): 73.5 x 41 x 103 mm
  • Control input: 4 - 32 V DC
  • Switching voltage: 42 - 660 V AC
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  • Adjustable ON delay: To prevent faults during starting or starting up
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  • LED display for the operating status, alarm and relay status
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  • Adjustable ON delay to prevent faults during starting or starting up
  • High immunity for noisy environments
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  • Setpoints for overvoltage and undervoltage, unbalance and deviation can be adjusted using the front adjustment wheel
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  • Adjustable voltage levels and time lag enables a flexible response to alarm conditions
  • LED indicator for operating status, alarm and relay status allows for quick troubleshooting
  • Two mounting versions: available as DIN rail (DPB01) or plugin module (PPB01)
  • Adjustable ON delay: To prevent faults during starting or starting up
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  • Three-line (3P) or four-line (3P + N) three-phase mains monitoring
  • Detection of the correct phase sequence (not for N-ended versions) and phase loss
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  • Regeneration voltage detection to detect phase losses even when the motor is running
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  • Sets the permissible overcurrent and undercurrent on a relative scale
  • Hysteresis can be adjusted on a relative scale
  • Adjustable switch-on delay (0.1 to 30 s)
  • Programmable self-hold or locking at the set limit
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  • LED indicator for relays, alarms and operating voltage ON
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  • Overcurrent monitoring relays for single-phase and triple-phase alternating current with transducer
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  • Adjustable hysteresis
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  • Version: For DIN rail mounting according to DIN EN 50 022 (DUA01) or as plugin module (PUA01)
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  • 3-pole
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  • Dimensions (W x H x D): 73.5 x 41 x 103 mm
  • Control input: 4 - 32 V DC
  • Switching voltage: 42 - 660 V AC
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  • High blocking voltage
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  • Sealable terminal cover
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  • Integrated DIN rail clip
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  • 2-way screw terminal (up to 8-wire connection)
  • Sealable terminal cover
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  • Class 0.5, currents from 50 to 300 A
  • Adaptable DIN rail clip
  • Adaptable panel mounting clips
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  • 2-way screw terminal (up to 8-wire connection)
  • Sealable terminal cover
CARLO GAVAZZI CTD1X1505AXXX - AC current transformer CTD, 150 A/5 A, class 0.5 CARLO GAVAZZI CTD1X1505AXXX - AC current transformer CTD, 150 A/5 A, class 0.5 34.65 EUR Current transformer cable/busbars with DIN busbars/busbars and panel mounting option. Primary current ranges from 50 A to 300 A.


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  • Class 0.5, currents from 50 to 300 A
  • Adaptable DIN rail clip
  • Adaptable panel mounting clips
  • Two insulated cables/busbar fastening screws
  • 2-way screw terminal (up to 8-wire connection)
  • Sealable terminal cover
CARLO GAVAZZI CTD2X1505AXXX - AC current transformer CTD, 150 A/5 A, class 0.5 CARLO GAVAZZI CTD2X1505AXXX - AC current transformer CTD, 150 A/5 A, class 0.5 36 EUR Current transformer cable/busbars with DIN busbars/busbars and panel mounting option. Primary current ranges from 40 A to 600 A.


  • Current transformer busbars
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  • Adaptable panel mounting clips
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  • 2-way screw terminal (up to 8-wire connection)
  • Sealable terminal cover
CARLO GAVAZZI CTD4X10005AXXX - AC current transformer CTD, 1000 A/5 A, class 0.5 CARLO GAVAZZI CTD4X10005AXXX - AC current transformer CTD, 1000 A/5 A, class 0.5 70.11 EUR Current transformer cable/busbars with DIN busbars/busbars and panel mounting option. Primary current ranges from 150 A to 1600 A.


  • Current transformer busbars
  • Class 0.5, currents from 150 to 1600 A
  • Adaptable panel mounting clips
  • Up to six insulated busbar fastening screws
  • 2-way screw terminal (up to 8-wire connection)
  • Sealable terminal cover
CARLO GAVAZZI CTD1X1605AXXX - AC current transformer CTD, 160 A/5 A, class 0.5 CARLO GAVAZZI CTD1X1605AXXX - AC current transformer CTD, 160 A/5 A, class 0.5 35.07 EUR Current transformer cable/busbars with DIN busbars/busbars and panel mounting option. Primary current ranges from 50 A to 300 A.


  • Current transformer cables and busbars
  • Class 0.5, currents from 50 to 300 A
  • Adaptable DIN rail clip
  • Adaptable panel mounting clips
  • Two insulated cables/busbar fastening screws
  • 2-way screw terminal (up to 8-wire connection)
  • Sealable terminal cover
CARLO GAVAZZI CTA5X250A5A - CTA split core current transformer, 250 A/5 A CARLO GAVAZZI CTA5X250A5A - CTA split core current transformer, 250 A/5 A 87.26 EUR Compact split core current transformer, suitable for retrofit applications when used in combination with any energy meter with 5 A current inputs. It controls primary current from 100 A to 600 A (depending on the model). CTA is the ideal solution for quick and easy installation without having to remove any cables during installation. It is recommended for any type of application (residential, commercial and industrial), in particular for retrofitting where a solid-core current transformer cannot be installed.


  • 5 A secondary current
  • 24 mm hole diameter for primary current up to 300 A
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  • Current transformer busbars
  • Class 0.5, currents from 50 to 800 A
  • Integrated DIN rail clip
  • Adaptable panel mounting clips
  • Up to six busbars, insulated fastening screws
  • 2-way screw terminal (up to 8-wire connection)
  • Sealable terminal cover
CARLO GAVAZZI CTD2X4005AXXX - AC current transformer CTD, 400 A/5 A, class 0.5 CARLO GAVAZZI CTD2X4005AXXX - AC current transformer CTD, 400 A/5 A, class 0.5 37.55 EUR Current transformer cable/busbars with DIN busbars/busbars and panel mounting option. Primary current ranges from 40 A to 600 A.


  • Current transformer busbars
  • Class 0.5, currents from 40 to 600 A
  • Integrated DIN rail clip
  • Adaptable panel mounting clips
  • 2 insulated busbar fastening screws
  • 2-way screw terminal (up to 8-wire connection)
  • Sealable terminal cover
CARLO GAVAZZI CTA5X150A5A - CTA split core current transformer, 150 A/5 A CARLO GAVAZZI CTA5X150A5A - CTA split core current transformer, 150 A/5 A 80.96 EUR Compact split core current transformer, suitable for retrofit applications when used in combination with any energy meter with 5 A current inputs. It controls primary current from 100 A to 600 A (depending on the model). CTA is the ideal solution for quick and easy installation without having to remove any cables during installation. It is recommended for any type of application (residential, commercial and industrial), in particular for retrofitting where a solid-core current transformer cannot be installed.


  • 5 A secondary current
  • 24 mm hole diameter for primary current up to 300 A
  • 36 mm hole diameter for primary current up to 600 A
CARLO GAVAZZI CTD2X1005AXXX - AC current transformer CTD, 100 A/5 A, class 0.5 CARLO GAVAZZI CTD2X1005AXXX - AC current transformer CTD, 100 A/5 A, class 0.5 36 EUR Current transformer cable/busbars with DIN busbars/busbars and panel mounting option. Primary current ranges from 40 A to 600 A.


  • Current transformer busbars
  • Class 0.5, currents from 40 to 600 A
  • Integrated DIN rail clip
  • Adaptable panel mounting clips
  • 2 insulated busbar fastening screws
  • 2-way screw terminal (up to 8-wire connection)
  • Sealable terminal cover
CARLO GAVAZZI CTA6X200A5A - CTA split core current transformer, 200 A/5 A CARLO GAVAZZI CTA6X200A5A - CTA split core current transformer, 200 A/5 A 94.81 EUR Compact split core current transformer, suitable for retrofit applications when used in combination with any energy meter with 5 A current inputs. It controls primary current from 100 A to 600 A (depending on the model). CTA is the ideal solution for quick and easy installation without having to remove any cables during installation. It is recommended for any type of application (residential, commercial and industrial), in particular for retrofitting where a solid-core current transformer cannot be installed.


  • 5 A secondary current
  • 24 mm hole diameter for primary current up to 300 A
  • 36 mm hole diameter for primary current up to 600 A
CARLO GAVAZZI CTA5X200A5A - CTA split core current transformer, 200 A/5 A CARLO GAVAZZI CTA5X200A5A - CTA split core current transformer, 200 A/5 A 80.96 EUR Compact split core current transformer, suitable for retrofit applications when used in combination with any energy meter with 5 A current inputs. It controls primary current from 100 A to 600 A (depending on the model). CTA is the ideal solution for quick and easy installation without having to remove any cables during installation. It is recommended for any type of application (residential, commercial and industrial), in particular for retrofitting where a solid-core current transformer cannot be installed.


  • 5 A secondary current
  • 24 mm hole diameter for primary current up to 300 A
  • 36 mm hole diameter for primary current up to 600 A
CARLO GAVAZZI DMB51CM24 - DMB51 time-lag relay, 1 changeover contact, 240 V AC, 24 V DC, m CARLO GAVAZZI DMB51CM24 - DMB51 time-lag relay, 1 changeover contact, 240 V AC, 24 V DC, m 67.42 EUR Multi-voltage time-lag relay with 7x setting (rotary switch) and 7x time setting from 0.1 s to 100 h (rotary switch). Snaps onto a DIN rail. 17.5 mm enclosure with 1 changeover contact and 35.5 mm enclosure with 2 changeover contacts, suitable for installation in the control cabinet and in the sub-distributor. Wide operating voltage range: 24 V DC and 24 to 240 V AC or 12 to 240 V AC/DC.


  • Adjustable time range: 0.1 s to 100 h
  • 7x adjustment using the rotary knob:

Op - Response delay
In - Interval
Io - Interval on trigger open
Id - Double interval
Dr - Delay on release
R - Sym. recycler - starts at working time (pulse start)
Rb - Symmetrical recycler - Start with pause time
(Start when pulse ends)



  • Automatic or manual start
  • Repeatability: = 0.2%
  • Output: 1 changeover contact, 5 A or 2 x 1 changeover contacts, 5 A
  • Snap-on to DIN rail DIN/EN/EC 60715
  • 17.5 mm (DMB51C) or 35.5 mm (DMB71D) DIN rail enclosure (DIN 43880)
  • Combined AC and DC operating voltage
  • LED function indicators for relay status and operating voltage ON
CARLO GAVAZZI DAA51CM24 - DAA51 time-lag relay, 1 UM/5 A, 240 V AC, 24 V DC, power-on dela CARLO GAVAZZI DAA51CM24 - DAA51 time-lag relay, 1 UM/5 A, 240 V AC, 24 V DC, power-on dela 62.97 EUR Multi-voltage switch-on delay with 7x adjustment option (rotary switch) between 0.1 s and 100 h. To snap onto a DIN rail. 17.5 mm enclosure with 1 changeover contact and 35.5 mm enclosure with 2 changeover contacts, suitable for installation in the control cabinet and in the sub-distributor.


  • Time range: 0.1 s to 100 h
  • Time ranges can be set using the rotary knob
  • Automatic start
  • Repeatability = 0.2%
  • Output: 1 changeover contact, 5 A or 2 x 1 changeover contacts, 5 A
  • Snap-on to DIN rail DIN/EN/EC 60715
  • 17.5 mm (DAA51C) or 35.5 mm (DAA71D) DIN rail enclosure (DIN 43880)
  • Combined AC and DC operating voltage
  • LED function indicators for relay status and operating voltage ON
CARLO GAVAZZI DMB51CW24 - DMB51 time-lag relay, 1 changeover contact, 12 - 240 V AC/DC, mu CARLO GAVAZZI DMB51CW24 - DMB51 time-lag relay, 1 changeover contact, 12 - 240 V AC/DC, mu 78.58 EUR Multi-voltage time-lag relay with 7x setting (rotary switch) and 7x time setting from 0.1 s to 100 h (rotary switch). Snaps onto a DIN rail. 17.5 mm enclosure with 1 changeover contact and 35.5 mm enclosure with 2 changeover contacts, suitable for installation in the control cabinet and in the sub-distributor. Wide operating voltage range: 24 V DC and 24 to 240 V AC or 12 to 240 V AC/DC.


  • Adjustable time range: 0.1 s to 100 h
  • 7x adjustment using the rotary knob:

Op - Response delay
In - Interval
Io - Interval on trigger open
Id - Double interval
Dr - Delay on release
R - Sym. recycler - starts at working time (pulse start)
Rb - Symmetrical recycler - Start with pause time
(Start when pulse ends)



  • Automatic or manual start
  • Repeatability: = 0.2%
  • Output: 1 changeover contact, 5 A or 2 x 1 changeover contacts, 5 A
  • Snap-on to DIN rail DIN/EN/EC 60715
  • 17.5 mm (DMB51C) or 35.5 mm (DMB71D) DIN rail enclosure (DIN 43880)
  • Combined AC and DC operating voltage
  • LED function indicators for relay status and operating voltage ON