Monitors & Monitoring Relays

Altech Monitors and Monitoring Relays are available in various configurations, including energy monitors, current monitor relays, and voltage monitoring relays. The energy monitors offer a range of functions, including line-to-neutral voltage measurement, current measurement, reactive energy measurement, active energy measurement, and power factor measurement. These energy monitors feature a one- and three-phase universal energy meter, a voltage rating of up to 277VAC, one digital input, and two digital outputs. Current monitor relays detect current anomalies on the line side, and the overcurrent relay trips when a current rise is detected above a particular set point. The voltage monitoring relays are connected to the line side of equipment and are sensitive to abnormal conditions that may occur in various ways. These voltage relays from Altech trip when sensing both undervoltage and overvoltage conditions, helping prevent equipment failure. 

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Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Mounting Style Product Type Contact Termination Relay Contact Form Contact Current Rating Coil Type Switching Voltage IP Rating Length Width Height
Altech Industrial Relays Monitoring Relay, Current, 1 Phase, 5A
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
10In Stock
141,64 €
126,14 €
118,86 €
117,60 €
Min.: 1
Mult.: 1
DIN Rail Monitoring Relays Current Monitor DPDT (2 Form C) Latching IP20, IP40 103 mm 22.5 mm 90 mm
Altech Industrial Relays Monitoring Relay, Current, 3 Phase, 5A
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
10In Stock
141,13 €
125,68 €
119,38 €
117,38 €
Min.: 1
Mult.: 1
DIN Rail Monitoring Relays Current Monitor DPDT (2 Form C) Latching IP20, IP40 103 mm 22.5 mm 90 mm
Altech Industrial Relays Monitoring Relay, Volt, 3 phase, 30/60/300VAC/DC
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
10In Stock
131,00 €
116,65 €
109,93 €
108,50 €
Min.: 1
Mult.: 1
DIN Rail Monitoring Relays Voltage Monitor DPDT (2 Form C) 5 A Latching IP20, IP40 103 mm 22.5 mm 90 mm
Altech Industrial Relays Monitoring Relay, Phase Loss, 3 phase, 480/277V AC
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
14In Stock
98,45 €
91,46 €
82,04 €
81,83 €
Min.: 1
Mult.: 1
DIN Rail Monitoring Relays Voltage Monitor DPDT (2 Form C) 5 A IP20 60 mm 17.5 mm 87 mm
Altech Industrial Relays Monitoring Relay, Volt, 1 phase, 24VAC/ DC, 230VAC
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
9In Stock
86,46 €
72,06 €
72,05 €
71,05 €
Min.: 1
Mult.: 1
DIN Rail Monitoring Relays Voltage Monitor DPDT (2 Form C) 5 A IP20, IP40 49 mm 17.5 mm 87 mm
Altech Industrial Relays Voltage Protection Relay, Digital, 280-600VAC
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
10In Stock
81,87 €
74,45 €
66,79 €
65,86 €
Min.: 1
Mult.: 1
DIN Rail Protection Relays Voltage Monitor SPDT (1 Form C) IP20 90 mm 35 mm 70.5 mm
Altech Industrial Relays Fan Monitoring & Control Relay 4 Channel
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
5In Stock
267,95 €
235,95 €
231,86 €
Min.: 1
Mult.: 1
DIN Rail Monitoring Relays Current Monitor IP20 90 mm 72 mm 57.95 mm
Altech Industrial Relays Monitoring Relay, Undervoltage, 3 phase, 180-690V
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
10In Stock
151,08 €
134,54 €
124,77 €
122,53 €
Min.: 1
Mult.: 1
DIN Rail Industrial Relays Voltage Monitor Screw DPDT 5 A 177 V to 794 V IP20, IP40 103 mm 22.5 mm 90 mm
Altech Industrial Relays Fan Failure Module
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
4In Stock
289,06 €
279,47 €
272,58 €
Min.: 1
Mult.: 1
DIN Rail Interface Modules Fan Monitor 58 mm 72 mm 90 mm
Altech Industrial Relays Fan Monitoring & Control Relay 2 Channel
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
8On Order
200,05 €
191,01 €
186,88 €
183,91 €
Min.: 1
Mult.: 1
DIN Rail Monitoring Relays Fan Monitoring and Control Relay IP20 90 mm 72 mm 57.95 mm