Monitoring Relays DOLD purchased inexpensively from Mercateo

Picture

Item

Manufacturer/Manufacturer no.

Price

Order

Dold Current Monitoring Relay, 1 Phase, DPDT, DIN Rail / 2409320 (1 offer)

Current monitoring relay, BA9053 / 410. For DC and AC Three measurement ranges: 0.1 → 1 A; 0.5 → 5 A; 1 → 10 A Working current principle High overload capacity Permissible measurement frequency up ...

DOLD

BA9053/410 AC1A/5A/10A AC230V 0-20S

£ 231.522*
per piece

Dold Current Monitoring Relay, 1 Phase, DPDT, DIN Rail / 3586973 (1 offer)

IEC 255, VDE 0435 Part 303. Over- and undercurrent relay, single phase, IL9277. Single phase over- and undercurrent monitoring in 3 phase and alternating current networks 4 measurement ranges from ...

DOLD

IL9277.12 AC220-240V 0.1-15A Tv=0.1-20S

£ 235.571*
per piece

Dold Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 3586901 (1 offer)

Undercurrent relay, single phase, IK9271. Application: 1-phase undercurrent monitoring in three-phase and alternating current networks 4 measurement ranges from 0.1 → 15 A without an additional cur...

DOLD

IK9271.11 AC220-240V 0.1-15A Tv=0.1-20S

£ 172.904*
per piece

Dold Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 3587639 (1 offer)

IK9270 one-phase overcurrent relay. Use: overcurrent monitoring in DC and AC current networks Four measurement ranges that can be set via a rotary switch Adjustable response value, fixed hysteresis...

DOLD

IK 9270.11 AC 220-240V 0.1-15A Tv = 0.1-20S

£ 172.904*
per piece

Dold Current Monitoring Relay, DPDT, DIN Rail / 4459046 (1 offer)

IEC 255, EN 61 557, VDE 0413. Differential current monitor IL 5882. Detection ranges from 30 mA → 10 A with a connected ND 5019 differential current transformer Programmable for automatic or manual...

DOLD

IL5882.38 AC/DC24V-230V Tv=5S

£ 262.529*
per piece

Dold Current Monitoring Relay, SPST, DIN Rail / 4650687 (1 offer)

IEC/EN 60669. CE. IK 8702 - Remote switch. Low space requirements Reduced wiring requirements Quiet switching 10mA filament lamp load Overall width: 17.5 mm. Each current pulse operates the IK8702 ...

DOLD

IK8702.01 AC50/60Hz 230V

£ 47.006*
per piece

Dold Frequency Monitoring Relay, DPDT, 15 → 280V ac, DIN Rail / 1812790 (1 offer)

Detection of over- or under frequency of alternating voltage (adjustable function) Fast reaction time by measuring duration of cycle of input frequency Universal measuring input for AC-voltages of ...

DOLD

MK9837N.12 5-600Hz UH=AC230V

£ 217.781*
per piece

Dold Frequency Monitoring Relay, DPDT, 15 → 280V ac, DIN Rail / 1812791 (1 offer)

DOLD

MK9837N.12/050 5-600Hz UH=DC24V

£ 217.781*
per piece

Dold Frequency Monitoring Relay, SPDT, DIN Rail / 1812792 (1 offer)

Monitoring of local generator sets and voltage supplies For precise frequency measuring with fast response time High disturbance immunity Separately adjustable trip points and separate outputs for ...

DOLD

MK9143N.38 +/-5Hz UH=AC230V tv=0-20s tan=0-30s

£ 217.781*
per piece

Dold Frequency Monitoring Relay, SPDT, DIN Rail / 1812793 (1 offer)

DOLD

MK9143N.38 +/-5Hz UH=DC24V tv=0-20s tan=0-30s

£ 217.781*
per piece

Dold Frequency Monitoring Relay, SPDT, DIN Rail / 6566253 (1 offer)

IEC/EN 60255, DIN VDE 0435-303. CE. IK9143 - Frequency relay. Detection of under/over frequency in alternating voltage networks; switchable No auxiliary voltage Switchable frequency range for 50 or...

DOLD

IK9143.11 AC50/60Hz 230V Hyst.0.5-10%

£ 120.959*
per piece

Dold Frequency Monitoring Relay, SPDT, DIN Rail / 6566269 (1 offer)

IEC/EN 60255, DIN VDE 0435-303. CE. IL9837 - Frequency relay. For monitoring under/over frequency of alternating voltages; switchable functionality Adjustable hysteresis Large measurement voltage r...

DOLD

IL9837.11 5-200Hz UH=230V

£ 193.15*
per piece

Dold Insulation Monitoring Relay, 1, 3 Phase, DPDT, 0 → 500V ac, DIN Rail / 1812772 (1 offer)

For single and 3-phase AC-systems up to 0 .. 500 V and 10 .. 1000 Hz Monitors also disconnected voltage systems Adjustable tripping value RALof 5 .. 100 kΩ De-energized on trip Auxiliary voltage, m...

DOLD

MK5880N.12 AC50-400Hz 220-240V 5-100kOhm

£ 205.336*
per piece

Dold Insulation Monitoring Relay, 1, 3 Phase, SPDT, 0 → 500V ac, DIN Rail / 1812774 (1 offer)

Features • According to IEC/EN 61 557-8 • For single and 3-phase AC-systems up to 0 .. 500 V and 10 .. 1000 Hz • Monitors also disconnected voltage systems • Adjustable tripping value RALof 5 .. 10...

DOLD

MK5880N.38/200

£ 227.047*
per piece

Dold Insulation Monitoring Relay, 1, 3 Phase, SPDT, 0 → 500V ac, DIN Rail / 1812776 (1 offer)

DOLD

MK5880N.38/200 DC24V 5-100kOhm VW10k-5MOhm

£ 227.047*
per piece

Dold Insulation Monitoring Relay, 1, 3 Phase, SPDT, 0.8 → 1.1 V, DIN Rail / 2409033 (1 offer)

Insulation monitor for pure 3 phase and alternating current systems, AI897. Adjustable response value 10 → 80 kΩ No separate auxiliary voltage connection required 1 changeover Overall width 45 mm. ...

DOLD

AI897 AC45-400Hz230V 10-80kOhm

£ 232.759*
per piece

Dold Insulation Monitoring Relay, SPDT, 0.8 → 1.1 V, DIN Rail / 2409049 (1 offer)

Insulation monitor for direct current networks, AI898. Fixed response time 6 kΩ LED display for operational readiness and earth fault 1 changeover Overall width 45 mm. The AI898 insulation monitor ...

DOLD

AI898 DC24V 6kOhm UH=AC45-400Hz 230V

£ 358.78*
per piece

Dold Level Monitoring Relay, DIN Rail / 3277641 (1 offer)

IL9151 - level relay with two separately operating changeovers. The IL9151 is used for. Level monitoring and control of conductive liquids and powders, e.g. maximum and minimum fill level, protecti...

DOLD

IL9151.12 2-450kOHM AC230V 0.2-20S

£ 164.84*
per piece

Dold Level Monitoring Relay, DIN Rail / 3277663 (1 offer)

DOLD

IL9151.12 2- 50kOHM DC24V 0.2-20S

£ 164.84*
per piece

Dold Monitoring Relay / 2408888 (1 offer)

IK8715 / 003 — Load-Shedding Relay. Reduces the cable cross-sections required for large electrical consumers 17.5 mm overall width. The IK8715 load-shedding relay is used in installation facilities...

DOLD

IK8715/003 6-40A

£ 60.30*
per piece

Dold Multifunction Monitoring Relay, 3 Phase, SPDT, 24 → 400V ac, DIN Rail / 1812796 (1 offer)

Multifunction measuring relay Voltage monitoring (1- and 3-phase) Current monitoring Frequency monitoring Power factor cos phi Phase sequence, phase failure, asymmetry Effective-, reactive- and app...

DOLD

MK9300N.11/022 3AC24...400V AC12A UH=DC24V

£ 258.371*
per piece

Dold Multifunction Monitoring Relay, DPDT, DIN Rail / 1812803 (1 offer)

Digital adjustable multifunction timer Functions can be adjusted separately for each output relay Off (OFF) Instantaneous contact (ON) On-delay (AV) Fleeting on make (EW) Delayed pulse with adjusta...

DOLD

MK7830N.82 AC/DC24V+AC230V 0,02s-9999h

£ 176.923*
per piece

Dold Multifunction Monitoring Relay, DPDT, DIN Rail / 1812805 (1 offer)

DOLD

MK7830N.82PS AC/DC24V + AC230V 0,02s-9999h

£ 184.616*
per piece

Dold Multifunction Monitoring Relay, DPDT, DIN Rail / 1812806 (1 offer)

DOLD

MK7830N.82PC AC/DC24V + AC230V 0,02s-9999h

£ 189.427*
per piece

Dold Phase Monitoring Relay, 3 Phase, DIN Rail / 3586917 (1 offer)

IK9169 phase monitor, IK9168 phase monitor display. Detection of phase failure in three-phase systems Single-phase connection also an option Rest current principle Adjustable phase sequence LED dis...

DOLD

IK9168 3AC50/60Hz 230/400V

£ 52.708*
per piece

Dold Phase Monitoring Relay, 3 Phase, DIN Rail / 3586951 (1 offer)

IK9179 three-phase monitor and IK9178 display. Monitoring of three-phase systems for direction of rotation No auxiliary voltage LED display lights up when a clockwise rotation field is detected 17....

DOLD

IK9178 3AC50/60Hz 400V

£ 52.837*
per piece

Dold Phase Monitoring Relay, 3 Phase, DPDT, DIN Rail / 2408923 (1 offer)

Phase sequence relay, BA9041. Detects phase sequence errors and phase failure with 2 changeovers Overall width 45 mm. The BA9041 can recognise the phase sequence L1 - L2 - L3 of a three-phase netwo...

DOLD

BA9041 3AC50Hz 400V

£ 165.063*
per piece

Dold Phase Monitoring Relay, 3 Phase, DPDT, DIN Rail / 2409027 (1 offer)

Fuse monitor, IL9075/001. Recognises fuse failures in three-phase networks up to 440 V Failure notification even with loads switched off Usable for all types and sizes of fuses Independent of rotat...

DOLD

IL9075.12/001 AC50-400Hz 400V

£ 147.382*
per piece

Dold Phase Monitoring Relay, 3 Phase, DPDT, DIN Rail / 4650671 (1 offer)

IEC/EN 60 255, DIN VDE 0435-303. CE. MK 9056N - Phase sequence relay. Detects phase sequence errors Output contact 2 changeovers Overall width: 22.5 mm. The MK 9056N monitors compliance with the ph...

DOLD

MK9056N.12 AC50/60Hz 380-500V

£ 128.255*
per piece

Dold Phase Monitoring Relay, 3 Phase, DPDT, DIN Rail / 4650744 (1 offer)

MK 9040N - Asymmetry relay. Detects voltage asymmetry, phase loss, reverse voltage and phase sequence Impervious to symmetrical harmonics up to distortion factor of K 20 % 2 LED displays for voltag...

DOLD

MK9040N.12/001 3AC50/60Hz 400V

£ 149.065*
per piece

Dold Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail / 3277679 (2 offers)

DOLD

IK9179.11 3AC50/60Hz 400V

from £ 72.32*
per piece

Dold Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail / 3587049 (2 offers)

DOLD

IK9169.11 3AC380-415/220-240V

from £ 75.003*
per piece

Dold Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail / 4459074 (1 offer)

IEC 255, EN 60255, VDE 0435 part 303. Load monitor BH 9097. The load monitor is suitable for monitoring electrical industrial drive systems with variable motor loads. Features:. The BH 9097 load mo...

DOLD

BH9097.38/001 3AC400V AC40A

£ 438.264*
per piece

Dold Phase Monitoring Relay, DIN Rail / 6566180 (1 offer)

CE. IN9017 - Phase controller. Phase controller for resistive loads For constant output up to 300 W Built-in EMI filter to level B LED status display Overall width 53 mm

DOLD

IN9017/100 0-10V AC230V 300W

£ 244.006*
per piece

Dold Phase, Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail / 2408967 (2 offers)

Phase monitor, BD9080. Multifunctional device for monitoring three-phase networks for undervoltage / overvoltage. Phase sequence asymmetry, mains failure (in accordance with IEC 255, VDE 0435 part ...

DOLD

BD9080.12 3AC400V UH=AC230V

from £ 322.09*
per piece

Dold Residual Current Monitoring Relay, 2 Phase, DPDT, DIN Rail / 1812768 (1 offer)

For AC and DC systems Type B To detect earth faults in grounded voltage systems 4 setting ranges from 10 mA to 3 A Manual reset, with alarm and pre-warning With adjustable switching delay Energized...

DOLD

RN5883.12/61 AC/DC24-80V 10-3000mA 0-10s

£ 500.317*
per piece

Dold Residual Current Monitoring Relay, 2 Phase, DPDT, DIN Rail / 1812769 (1 offer)

DOLD

RN5883.12/61 AC/DC80-230V 10-3000mA 0-10s

£ 500.317*
per piece

Dold Speed Monitoring Relay, DPDT, DIN Rail / 1812788 (1 offer)

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 wi...

DOLD

MK9055N.12 1-120.000IPM UH=AC230V+DC24V

£ 217.781*
per piece

Dold Speed Monitoring Relay, DPDT, DIN Rail / 1812789 (1 offer)

Monitoring of 2 frequency levels (e.g. underspeed / standstill and overspeed) Separate relay outputs for under- and overfrequency (1 or 2 c/o contacts each) As alternative window operating mode (mo...

DOLD

MK9055N.38/500

£ 217.781*
per piece

Dold Speed Monitoring Relay, SPDT, DIN Rail / 6566247 (1 offer)

IEC/EN 60255, DIN VDE 0435-303. CE. IK9055 - Speed monitor. Detects if speed or frequency is under or over the set-point value; function is switchable. Adjustable hysteresis Universal input, config...

DOLD

IK9055.11 50-50000IPM UH=DC24V Hyst.1-20%

£ 152.975*
per piece

Dold Standstill Monitoring Relay, 1, 3 Phase, 3PDT, DIN Rail / 1812782 (1 offer)

Safe standstill detection on 3and single-phase motors No external sensors necessary Independent of direction Broken wire detection Forcibly guided safety contacts: 3 NO contacts, 1 NC contact for A...

DOLD

LH5946.48/61 20-400mV UH=DC24V 0,2-6s

£ 627.453*
per piece

Dold Standstill Monitoring Relay, 1, 3 Phase, 3PDT, DIN Rail / 1812783 (1 offer)

No external sensors necessary Independent of direction Broken wire detection Forcibly guided safety contacts: 3 NO contacts, 1 NC contact for AC 250 V 2 semiconductor monitoring outputs 1 monitorin...

DOLD

LH5946.48/61 20-400mV UH=AC230V 0,2-6s

£ 627.453*
per piece

Dold Standstill Monitoring Relay, 1, 3 Phase, 3PDT, Maximum of 4 V, DIN Rail / 1812784 (1 offer)

DOLD

LH5946.48/61 0,2-4V UH=DC24V 0,2-6s

£ 627.453*
per piece

Dold Standstill Monitoring Relay, 1, 3 Phase, 3PDT, Maximum of 4 V, DIN Rail / 1812785 (1 offer)

DOLD

LH5946.48/61 0,2-4V UH=AC230V 0,2-6s

£ 627.453*
per piece

Dold Standstill Monitoring Relay, 1, 3 Phase, DPDT, DIN Rail / 2408844 (2 offers)

BD5936.17 - Standstill monitor. Wire breakage detection in the measurement circuit Positively driven output contacts: 2 NO, 2 NC for 250 Vac LED displays for motor standstill, wire breakage and ope...

DOLD

BD5936.17 AC50/60Hz 230V

from £ 314.02*
per piece

Dold Temperature Monitoring Relay, DPDT, DIN Rail / 4650700 (3 offers)

EN 60947-8, EN 60079-14. PTB 03 ATEX 3117. II (2) GD. CE. MK 9163N - thermistor motor protection relay. 1 input for 1 → 6 thermistors Closed circuit current principle (output relay not activated in...

DOLD

MK9163N.12/100 AC50/60Hz 230V

from £ 79.10*
per piece

Dold Temperature Monitoring Relay, DPDT, DIN Rail / 5003408 (2 offers)

DOLD

MK9163N.12/100 AC/DC24V

from £ 79.10*
per piece

Dold Temperature Monitoring Relay, DPDT, DIN Rail / 5003515 (2 offers)

DOLD

MK9163N.12/110 ATEX AC/DC24V

from £ 86.051*
per piece

Dold Temperature Monitoring Relay, DPDT, DIN Rail / 5003537 (3 offers)

DOLD

MK9163N.12/110 ATEX AC50/60Hz 230V

from £ 84.27*
per piece

Dold Temperature Monitoring Relay, SPDT, DIN Rail / 4105963 (1 offer)

IEC 255, VDE 0435. IK 9094 Temperature monitor for PT100. The IK 9094.11 AC/DC24V 0 to 150°C is a Temperature Monitoring Relay with detection sensor of in-circuit broken wire. It features LED indic...

DOLD

IK9094.11 AC/DC24V 0-150°C

£ 107.208*
per piece

Dold Thermistor Motor Protection Monitoring Relay, SPDT, DIN Rail / 2408973 (1 offer)

MK9052 - Thermistor motor protection relay. 1 input for thermistors or bi-metallic contacts Wire breakage detection in the sensor circuit LED for switching status Rest current principle 1 changeove...

DOLD

MK9052.11 DC24V

£ 111.90*
per piece

Dold Thermistor Motor Protection Monitoring Relay, SPDT, DIN Rail / 2408995 (1 offer)

DOLD

MK9052.11 AC50/60Hz 230V

£ 111.90*
per piece

Dold Voltage Monitoring Relay, 1, 3 Phase, DPDT, 0 → 500V ac, DIN Rail / 4459068 (1 offer)

Complies with IEC 255, EN 61 557 and VDE 0413. Insulation monitor for AC networks IL 5880. For AC and DC network currents with 0 → 500 V and 10 → 1000 Hz Also monitors non-powered networks Adjustab...

DOLD

IL5880.12 AC50-400Hz 220-240V 5-100kOHM

£ 210.484*
per piece

Dold Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail / 1812794 (1 offer)

Detection of undervoltage in 3-phase systems Without separately auxiliary voltage (internal supply from all 3 phases) LED indication for operation voltage and contact position De-energised on trip ...

DOLD

RK9871.72 3/N AC400/230V 50/60Hz

£ 112.336*
per piece

Dold Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail / 2408939 (1 offer)

Voltage relay, three-phase, BA9043, BA9043/001. Voltage monitoring for 3 phase systems 3 phase mains, 50 → 400 Hz Arithmetic average measurement Adjustable response and fall-back values For mains w...

DOLD

BA9043 3AC50-400Hz 230/400V

£ 223.354*
per piece

Dold Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail / 2408945 (1 offer)

DOLD

BA9043/001 3AC50-400Hz 400V

£ 223.354*
per piece

Dold Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail / 2408951 (1 offer)

IL9071 — undervoltage relay, 3 phase. Single phase connection also an option Fixed fall-back value Closed circuit current principle LED display of switch state Adjustable phase sequence 2 changeove...

DOLD

IL9071.12 3/N AC400/230V 0.85UN 4%

£ 215.642*
per piece

Dold Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail / 2913144 (1 offer)

IL9077 - Over and under voltage relay. Detection of over voltage, under voltage and phase failure Network error diagnosis through more LEDs Response values for over and under voltage separately adj...

DOLD

IL9077.12 3/NAC 400/230V 0.1-20S

£ 235.333*
per piece

Dold Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail / 2913150 (1 offer)

Undervoltage relay for detecting short interruptions, IL9079. The IL9079 is an undervoltage relay for detecting short interruptions. Enclosure version for the IL 9079 has a depth of 59 mm. Terminal...

DOLD

IL9079.12/002 3AC230/400V 0.55-1.05UN 0.2-2S

£ 235.333*
per piece

Dold Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail / 1812795 (1 offer)

DOLD

RK9871.71 3/N AC400/230V 50/60Hz

£ 101.03*
per piece

Dold Voltage Monitoring Relay, DPDT, DIN Rail / 4459052 (1 offer)

Complies with IEC 255, EN 61557 and VDE 0413. Insulation monitor for DC networks IL 5881. For DC networks; large voltage range in network to be monitored 12 Vdc → 280 Vdc Alarm value adjustable for...

DOLD

IL5881.12/100 DC12-280V 5-200kOHM

£ 224.028*
per piece

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Monitoring Relays (61 items)