Monitoring relays purchased inexpensively from Mercateo (Page 50/78)

Picture

Item

Manufacturer/Manufacturer no.

Price

Order

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

£ 504.023*
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

£ 274.192*
per piece

Voltage monitoring relay (5 offers)

Manufacturer: SIEMENS Type of module: voltage monitoring relay

Siemens

7KM3220-0BA01-1DA0

£ 360.02*
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

£ 191.975*
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

£ 60.803*
per piece

Dold Standstill Monitoring Relay, 1, 3 Phase, 3PDT, Maximum of 4 V, DIN Rail / 1812785 (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 0,2-4V UH=AC230V 0,2-6s

£ 620.611*
per piece

Voltage monitoring relay; 115/230VAC; socket; SPDT; 250VAC/8A (1 offer)

Manufacturer: CARLO GAVAZZI Mounting: socket Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 115/230V AC Leads: screw terminals Type ...

Carlo Gavazzi

PUC01CB23500V

£ 189.17*
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

£ 60.626*
per piece

Dold Insulation Monitoring Relay, 1, 3 Phase, SPDT, 0 → 500V ac, DIN Rail / 1812776 (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.38/200 DC24V 5-100kOhm VW10k-5MOhm

£ 246.386*
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

£ 166.253*
per piece

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

BA9043/001 3AC50-400Hz 400V

£ 237.969*
per piece

Voltage monitoring relay; 12/24VAC,230VAC; 12VDC,24VDC,230VDC (1 offer)

Manufacturer: DOBRY CZAS Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPST Power supply: from tested wiring system IP rating: IP20 Supply voltage: 12V DC;24V ...

DOBRY CZAS

MMR17-V1A-U230-108

£ 31.21*
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

£ 140.005*
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

£ 182.807*
per piece

Voltage monitoring relay; 115/230VAC; socket; SPDT; 250VAC/8A (1 offer)

Carlo Gavazzi

PUB01CB23500V

£ 119.04*
per piece

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Monitoring relays (1,167 offers of 6,202,140 product items)

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