Phase Monitoring Relays | e絡盟 Hong Kong

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Element14 offers phase monitoring relays that protect three-phase systems from phase loss, phase reversal and imbalance. These relays are designed to prevent motor damage and ensure stable operation.

Phase monitoring relays measure phase sequence, phase loss and voltage balance in three-phase systems. If any discrepancy is detected, the relay disconnects the load to prevent motor failure.

Key Features:

Phase loss and reversal protection for motors and equipment.
Adjustable voltage range for versatile use.
Compact design for easy installation in control panels.

Applications:

Industrial Motors – Ensure proper phase alignment and prevent damage.
HVAC Systems – Maintain stable operation in multi-phase compressors.
Renewable Energy – Monitor phase balance in solar and wind systems.

Manufacturer Part No	Order Code	Manufacturer / Description	Price For	Price	Product Range	Contact Configuration	Contact Current	Relay Mounting	Relay Terminals	Contact Voltage VAC	Switching Voltage Max	Supply Voltage Max	Contact Voltage VDC	Phase Type	Power Consumption	Phase Monitoring Range Min	Phase Monitoring Range Max

RM35TF30	2056305 Data Sheet RoHS	SCHNEIDER ELECTRIC Phase Monitoring Relay Multifunction Harmony RM35 Series DPDT 5 A DIN Rail Screw 250 V	Each	1+HK$2,145.190	Harmony RM35 Series	DPDT	5A	DIN Rail	Screw	-	250V	480VAC	-	3 Phase	22VA	194VAC	528VAC
RM17TG00	2455513 Data Sheet RoHS	SCHNEIDER ELECTRIC Phase Monitoring Relay Sequence Failure Harmony RM17 Series SPDT 5 A DIN Rail Screw 250 V	Each	1+HK$951.370 5+HK$922.770 10+HK$904.320	Harmony RM17 Series	SPDT	5A	DIN Rail	Screw	-	250V	480VAC	-	3 Phase	22VA	-	-
RM22TR33	2835320 Data Sheet RoHS	SCHNEIDER ELECTRIC Phase Monitoring Relay Harmony RM22 Series DPDT 8 A DIN Rail Screw 250 VAC	Each	1+HK$1,261.050	Harmony RM22 Series	DPDT	8A	DIN Rail	Screw	-	250V	480VAC	-	3 Phase	15VA	380V	480V
70.41.8.400.2030	2295793 Data Sheet RoHS	FINDER Phase Monitoring Relay Multifunction 70 Series SPDT 10 A DIN Rail Panel Screw 250 VAC	Each	1+HK$1,061.540 5+HK$1,040.310 10+HK$1,019.080	70 Series	SPDT	10A	DIN Rail, Panel	Screw	-	250V	415VAC	-	3 Phase	11VA	380V	415VAC
1SVR550824R9100	1895998 Data Sheet RoHS	ABB Phase Monitoring Relay Single Function CM-PFE Series SPDT 4 A DIN Rail Screw 250 V	Each	1+HK$885.860 5+HK$859.290 10+HK$842.110	CM-PFE Series	SPDT	4A	DIN Rail	Screw	-	250V	440VAC	-	3 Phase	15VA	208VAC	440VAC
K8AKPH1	2504231 Data Sheet RoHS	OMRON INDUSTRIAL AUTOMATION Phase Monitoring Relay K8AK Series DPDT-NC 5 A DIN Rail Screw 250 VAC	Each	1+HK$766.520 5+HK$751.190 10+HK$735.860	K8AK Series	DPDT-NC	5A	DIN Rail	Screw	-	250V	480VAC	-	3 Phase	-	200VAC	480V
K8DSPH1	2507225 Data Sheet RoHS	OMRON INDUSTRIAL AUTOMATION Phase Monitoring Relay Phase Loss Relay K8DS Series SPDT 5 A DIN Rail Screw	Each	1+HK$599.780 5+HK$587.790 10+HK$575.790	K8DS Series	SPDT	5A	DIN Rail	Screw	-	-	480VAC	-	3 Phase	-	-	-
EMR6-W500-D-1	3214139 Data Sheet RoHS	EATON MOELLER Phase Monitoring Relay EMR6 Series DPDT 4 A DIN Rail Screw 250 VAC	Each	1+HK$2,822.700	EMR6 Series	DPDT	4A	DIN Rail	Screw	-	250V	500VAC	-	3 Phase	18VA	300VAC	500VAC
MK 9056.12 AC 380 - 500V 50/60HZ	9515399 Data Sheet RoHS	DOLD Phase Monitoring Relay Sequence DPDT DIN Rail Screw 230 VAC	Each	1+HK$657.660	-	DPDT	-	DIN Rail	Screw	-	230VAC	500VAC	-	3 Phase	-	-	-
DPA51CM44	4377819 Data Sheet RoHS	CARLO GAVAZZI Phase Monitoring Relay DPA51 Series SPDT 5 A DIN Rail Screw 24 VDC	Each	1+HK$795.910 5+HK$756.060 10+HK$737.670	DPA51 Series	SPDT	5A	DIN Rail	Screw	-	24VDC	480VAC	-	3 Phase	13VA	177VAC	552VAC
3UG4511-1BP20	1390500 Data Sheet RoHS	SIEMENS Phase Monitoring Relay Multifunction SIRIUS 3UG4 Series SPST-NC DIN Rail Screw	Each	1+HK$1,696.560	SIRIUS 3UG4 Series	SPST-NC	-	DIN Rail	Screw	-	-	500VAC	-	3 Phase	2W	320VAC	500VAC
K8AKPW2	2507217 Data Sheet RoHS	OMRON INDUSTRIAL AUTOMATION Phase Monitoring Relay Voltage Relay K8AK Series SPDT 5 A DIN Rail Screw	Each	1+HK$1,630.840	K8AK Series	SPDT	5A	DIN Rail	Screw	-	-	480VAC	-	3 Phase	-	-	-
K8AKPM1	2507213 Data Sheet RoHS	OMRON INDUSTRIAL AUTOMATION Phase Monitoring Relay Phase Loss Relay K8AK Series SPDT 5 A DIN Rail Screw	Each	1+HK$1,630.840	K8AK Series	SPDT	5A	DIN Rail	Screw	-	-	240VAC	-	3 Phase	-	-	-
K8AKPA1	2507211 Data Sheet RoHS	OMRON INDUSTRIAL AUTOMATION Phase Monitoring Relay Voltage Asymmetry K8AK Series SPDT 5 A DIN Rail Screw	Each	1+HK$1,457.500	K8AK Series	SPDT	5A	DIN Rail	Screw	-	-	240VAC	-	3 Phase	-	-	-
K8AKPA2	2507212 Data Sheet RoHS	OMRON INDUSTRIAL AUTOMATION Phase Monitoring Relay Voltage Asymmetry K8AK Series SPDT 5 A DIN Rail Screw	Each	1+HK$1,499.450	K8AK Series	-	5A	-	-	-	-	480VAC	-	-	-	-	-
K8AKPW1	2507216 Data Sheet RoHS	OMRON INDUSTRIAL AUTOMATION Phase Monitoring Relay Voltage Relay K8AK Series SPDT 5 A DIN Rail Screw	Each	1+HK$1,630.840	K8AK Series	SPDT	5A	DIN Rail	Screw	-	-	240VAC	-	3 Phase	-	-	-
K8AKPM2	2507215 Data Sheet RoHS	OMRON INDUSTRIAL AUTOMATION Phase Monitoring Relay Phase Loss Relay K8AK Series SPDT 5 A DIN Rail Screw	Each	1+HK$1,422.920	K8AK Series	SPDT	5A	DIN Rail	Screw	-	-	480VAC	-	3 Phase	-	-	-
RM22UB34	2780442 Data Sheet RoHS	SCHNEIDER ELECTRIC Phase Monitoring Relay Harmony RM22UB Series DPDT 8 A DIN Rail Screw 250 VAC	Each	1+HK$1,282.080	Harmony RM22UB Series	DPDT	8A	DIN Rail	Screw	-	250V	240VAC	-	1 Phase	2W	80V	300V
MP008399	4163401 Data Sheet RoHS	MULTICOMP PRO Phase Monitoring Relay MP Voltage Monitoring Relays SPDT 5 A DIN Rail Screw 250 VAC	Each	1+HK$440.250 5+HK$430.940 10+HK$421.010 20+HK$404.620	MP Voltage Monitoring Relays	SPDT	5A	DIN Rail	Screw	-	250V	480VAC	-	3 Phase	3VA	208VAC	480V
MP008401	4163403 Data Sheet RoHS	MULTICOMP PRO Phase Monitoring Relay MP Voltage Monitoring Relays SPDT 5 A DIN Rail Screw 250 VAC	Each	1+HK$420.160 5+HK$411.180 10+HK$401.770 20+HK$386.020	MP Voltage Monitoring Relays	SPDT	5A	DIN Rail	Screw	-	250V	415VAC	-	3 Phase	15VA	-	415VAC
MP008405	4163407 Data Sheet RoHS	MULTICOMP PRO Phase Monitoring Relay MP Voltage Monitoring Relays DPDT 5 A DIN Rail Screw 250 VAC	Each	1+HK$569.730 5+HK$557.680 10+HK$544.780 20+HK$523.430	MP Voltage Monitoring Relays	DPDT	5A	DIN Rail	Screw	-	250V	415VAC	-	3 Phase	10VA	-	415VAC
MP008403	4163405 Data Sheet RoHS	MULTICOMP PRO Phase Monitoring Relay MP Voltage Monitoring Relays DPDT 5 A DIN Rail Screw 250 VAC	Each	1+HK$532.200 5+HK$520.890 10+HK$508.950 20+HK$488.970	MP Voltage Monitoring Relays	DPDT	5A	DIN Rail	Screw	-	250V	240VAC	-	1 Phase, 3 Phase	5VA	-	240VAC
MP008395	4163396 Data Sheet RoHS	MULTICOMP PRO Phase Monitoring Relay MP Voltage Monitoring Relays DPDT 5 A DIN Rail Screw 240 VAC	Each	1+HK$732.190 5+HK$716.650 10+HK$700.160 20+HK$672.790	MP Voltage Monitoring Relays	DPDT	5A	DIN Rail	Screw	-	240VAC	500VAC	-	3 Phase	5VA	145VAC	500VAC
MP008404	4163406 Data Sheet RoHS	MULTICOMP PRO Phase Monitoring Relay MP Voltage Monitoring Relays DPDT 5 A DIN Rail Screw 250 VAC	Each	1+HK$532.200 5+HK$520.890 10+HK$508.950 20+HK$488.970	MP Voltage Monitoring Relays	DPDT	5A	DIN Rail	Screw	-	250V	415VAC	-	3 Phase	10VA	-	415VAC
MP008397	4163398 Data Sheet RoHS	MULTICOMP PRO Phase Monitoring Relay MP Voltage Monitoring Relays SPDT 5 A DIN Rail Screw 250 VAC	Each	1+HK$614.330 5+HK$601.440 10+HK$587.590 20+HK$564.550	MP Voltage Monitoring Relays	SPDT	5A	DIN Rail	Screw	-	250V	480VAC	-	3 Phase	16VA	208VAC	480V