Voltage relays are automated protection devices that ensure safe operation of electrical networks and equipment by continuously monitoring the voltage level and reacting to its fluctuations. They automatically disconnect or switch the circuit if the voltage exceeds preset thresholds, thereby preventing damage to motors, control units, and other electrical equipment.

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Voltage monitoring relay in 1P-AC, HRN-35, 1565 Elko EP

Code: HRN35

Supplier: TBC

35.05 EUR (w/o VAT)

Current monitoring relay of lmax level in 1P - AC, PRI-51/5A, 7040 Elko EP

Code: EEP-7040

Supplier: TBC

30.69 EUR (w/o VAT)

HRN-54N; Voltage monitoring relay in 3P with adjustable levels , 7511 Elko EP

Code: EEP-7511

Supplier: TBC

49.50 EUR (w/o VAT)

Voltage monitoring relay in 1P-AC/DC, HRN-41/230V, 4721 Elko EP

Code: HRN41230

Supplier: TBC

71.42 EUR

42.85 EUR (w/o VAT)

Gv2 Gv3 Undervolt 380V Rhs Mount, GVAU385 Schneider Electric

Code: GVAU385

Supplier: TBC

26.26 EUR

15.76 EUR (w/o VAT)

BUILT IN CT 2..20A OVE URRENT RM17JC00MW Schneider Electric

Code: RM17JC00MW

Supplier: TBC

84.26 EUR (w/o VAT)

RPR415 jaudas virzienu relejs, 380/440VAC, 5A, 50Hz/60Hz RPR415

Code: RPR415

Supplier: TBC

Sprieguma kontrol. relejs 208..480VAC RM17UB310 Schneider Electric

Code: RM17UB310

Supplier: TBC

85.09 EUR (w/o VAT)

Sprieguma kontroles relejs 3F+N RM35UB330 Schneider Electric

Code: RM35UB330

Supplier: TBC

140.05 EUR (w/o VAT)

PRI-53/5 Trīsfāžu strāvas kontroles relejs,0.5.. 5A, 2 C/O, 24..240VAC,DC EEP-4214 Elko EP

Code: EEP-4214

Supplier: TBC

94.35 EUR (w/o VAT)

Sprieguma kontroles relejs, 2CO UR6U3052 Schrack Technik

Code: UR6U3052

Supplier: 16 pcs.

127.13 EUR (w/o VAT)

PRI-32 Strāvas kontroles releja 1-20A regulējams, 1 fāze PRI32 Elko EP

Code: EEP-8278

Supplier: TBC

56.89 EUR (w/o VAT)

PRI-51/2A Current Relay, 2A

Code: EEP-7039

Supplier: TBC

30.69 EUR (w/o VAT)

HRN-55N,sprieguma kontr.rel., 3f, t=0.5-10s, 8A HRN55N Elko EP

Code: EEP-7513

Supplier: TBC

41.70 EUR (w/o VAT)

PRI-51, strāvas kontroles relejs, I=16A, t=0-10s, 24-240V PRI5116 Elko EP

Code: EEP-7045

Supplier: TBC

30.69 EUR (w/o VAT)

Code: URAP3011

Supplier: 1043 pcs.

19.83 EUR (w/o VAT)

PRI-51, Current Control Relay, 1..8A

Code: EEP-7041

Supplier: TBC

30.69 EUR (w/o VAT)

Current control relay 0.15A…15A, 2 C/O RM35JA32MR Schneider Electric

Code: RM35JA32MR

Supplier: 1 pcs.

134.85 EUR (w/o VAT)

Voltage monitoring relay 1P - AC/DC, Elko EP, HRN-31

Code: EEP-8494

Supplier: TBC

37.20 EUR (w/o VAT)

PRI-41/230, strāvas kontroles relejs PRI41230 Elko EP

Code: EEP-4743

Supplier: TBC

60.72 EUR (w/o VAT)

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Voltage Relays – precise protection for your electrical equipment

Key features and benefits

Accurate protection: Responds to overvoltage and undervoltage conditions, preventing equipment failure.
Fast response time: Reduces downtime risk and data loss in industrial and commercial installations.
Integration with automation systems: Modern digital models offer adjustable threshold values, visual indicators, and Modbus communication capabilities.
Energy efficiency: Helps maintain stable power supply and extends the service life of equipment.

Applications

Automation and control panels
Distribution boards and electrical protection systems
HVAC equipment (heating, ventilation, and air conditioning)
Water supply and pump control systems

Selection criteria

When selecting a suitable voltage relay, consider the following:

Rated voltage and operating range
Response time and delay settings
Mounting type: DIN rail or panel-mounted design
Additional features: visual indication, communication interface, alarm outputs

Why choose a modern voltage relay?

In today’s industrial environment, even short-term voltage fluctuations can lead to significant losses. Digital voltage relays help maintain high-quality power supply, improve safety, and optimize energy consumption. They are an essential component in smart factories and energy management systems.