Voltage Monitors

Voltage monitors are essential tools designed to ensure the reliable functioning of electrical systems by continuously tracking voltage levels. Whether you are managing a commercial facility, industrial plant, or even a home setup, maintaining optimal voltage levels is crucial for the safety and efficiency of your electrical equipment. Our collection features a range of high-quality voltage monitors from trusted manufacturers, including TIMEMARK, ASCO, BENDER, and Siemens, among others.Each device in this category, such as the TIMEMARK B264 3 Phase Power Monitor and the ASCO 214AS2 Under-Over Voltage Monitor, is engineered to detect and alert you to any irregularities in voltage supply. These monitors safeguard your equipment from under-voltage and over-voltage conditions that might lead to operational failures or even costly equipment damage. Products like the BENDER RCM460Y Residual Current Monitor set the standard with their reliability and performance in monitoring electrical systems.Our voltage monitoring solutions cater to diverse applications, ranging from general-purpose power management to specialized monitoring needs like motor voltage regulation and arc detection, exemplified by the ABB TVOC-2-240 ARC Monitor. Moreover, with additional features such as surge protection and phase monitoring, devices like the PHOENIX CONTACT Type 3 Surge Protection Plug provide comprehensive safety mechanisms. The integration of these monitors into your electrical system not only improves efficiency but also enhances the longevity of your devices. With a wide variety of options available, finding the right voltage monitor to meet your specific needs has never been easier. Browse our extensive collection and equip your facility with the best voltage monitoring solutions to ensure optimal performance and safety.

Refine by

No filters applied

Browse by Brand, Price & more Hide Filters Show Filters

EATON
EATON PXM4000 PXM4051A1BA METER T240934

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $6,569.00

Was:

Now: $3,941.40

1 in stock
EATON
EATON PXM4000 PXM4051A1AB METER T240935

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $6,036.00

Was:

Now: $3,621.60

2 in stock
ABB
ABB TVOC-2-240 1SFA664001R1001 ARC MONITOR

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $8,802.94

Was:

Now: $2,999.99

1 in stock
UNBRANDED
LOT OF 1000 MC7812ECT 89022 LINEAR VOLTAGE REGULATOR IC POSITIVE FIXED 1 OUTPUT 1A TO-220-3 T176169

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $1,999.99

1 in stock
Micrel
LOT OF 7000 MICREL MIC2940A LOW-DROPOUT VOLTAGE REGULATOR T95069

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $999.99

1 in stock
Microchip Technology
LOT OF 3000 MICROCHIP TECHNOLOGY MCP1703AT-2802E/CB 251 MA 16V LOW QUIESCENT CURRENT LDO REGULATOR T118092

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $966.00

1 in stock
ANALOG DEVICES
LOT OF 2000 ANALOG DEVICES 7629478 STK JJ-071 IC VOLTAGE REGULATOR ADP122AUJZ T193578

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $799.99

1 in stock
ASCO
ASCO 5220 POWER MANAGER XP T202226

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $647.00

Was:

Now: $517.60

2 in stock
FANUC
FANUC A05B-2452-0312 MOTOR VOLTAGE REGULATOR T194499

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $499.99

1 in stock
Powell
POWELL BSG3.9KIT BRITESPOT G3 MONITOR T209178

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $499.99

2 in stock
UNBRANDED
GETEC E 5610 PANEL VOLTAGE T259286

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $474.99

2 in stock
AGASTAT
AGASTAT PMALCX POWER MONITOR T269471

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $971.64

Was:

Now: $466.39

1 in stock
Westinghouse
WESTINGHOUSE 90-24700-101 VOLTAGE REGULATOR T240454

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $1,155.00

Was:

Now: $462.00

1 in stock
SEL
SEL SEL-2BFR 2BFR00-4556XHNB BREAKER FAILURE RELAY AND MONITOR T195439

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $399.99

1 in stock
STMICROELECTRONICS
LOT OF 1000 STMICROELECTRONICS L7805CD2T-TR C601-157-001 LINEAR VOLTAGE REGULATORS 5.0V 1.0A POSITIVE T172461

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $377.00

1 in stock
STMICROELECTRONICS
LOT OF 1000 STMICROELECTRONICS L7805CD2T-TR C601-157-001 LINEAR VOLTAGE REGULATORS 5.0V 1.0A POSITIVE T172564

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $377.00

1 in stock
Microchip Technology
LOT OF 2300 MICROCHIP TECHNOLOGY MCP65R46T-2402E/CHY COMPARATOR WITH VOLTAGE REFERENCE CMOS T204975

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $365.70

1 in stock
Microchip Technology
LOT OF 1000 MICROCHIP TECHNOLOGY MCP1703AT-2802E/CB 250 MA 16V LOW QUIESCENT CURRENT LDO REGULATOR T118091

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $322.00

1 in stock
ABB
ABB WVM911RN-60 SSAC THREE PHASE VOLTAGE MONITOR WITH TEN FAULT MEMORY T149771

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $275.00

3 in stock
UNBRANDED
LOT OF 1100 CPI1406 PN2 222A 309 AMPLIFIER T197825

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $249.99

1 in stock
Digi-Key
LOT OF 250 DIGI-KEY ADP160AUJZ-2.8-R7DKR-ND LINEAR VOLTAGE REGULATOR IC POSITIVE FIXED 1 OUTPUT T151035

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $249.00

1 in stock
Mersen
LOT OF 20 MERSEN R632 FUSE REDUCERS (250V 60A TO 30 A) T192334

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $224.99

3 in stock
SOLA
SOLA 23-13-060-2 SUPERIOR VOLTAGE REGULATOR T247187

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $504.00

Was:

Now: $201.60

1 in stock
ASSOCIATED RESEARCH
ASSOCIATED RESEARCH 2956 VARIABLE VOLTAGE MEG-CHEK T212254

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $199.99

1 in stock
TIME MARK
TIME MARK MODEL 272 3PHASE CURRANT UNBALANCE DETECTOR T159329

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $199.99

1 in stock
UNBRANDED
LOT OF 43 ISL8560IRZ VOLTAGE REGULATORS/ SWITCHING REGULATORS W/ ANNEAL BUCK SWITCH T88619

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $199.00

1 in stock
Bender
BENDER RCM460Y-7113 RESIDUAL CURRENT MONITOR T170791

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $175.00

4 in stock
MAGNETIC SPECIALTIES
MAGNETIC SPECIALTIES 2139 SCR PHASE CONTROL VOLTAGE REGULATOR T242008

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $379.00

Was:

Now: $151.60

1 in stock
ABB
ABB CM-PFN 3 PHASE MONITORING RELAY T200826

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $149.99

1 in stock
ASCO
ASCO 214AS2 CS153-798 UNDER-OVER VOLTAGE MONITOR T168983

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $149.99

2 in stock
BROOKS
BROOKS 1110-07D2G1A 6212-08A0В0А NON CONTACT DUAL RANGE AC VOLTAGE DETECTOR T211981

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $149.99

1 in stock
BROOKS
BROOKS 1110-07D2G1A 6212-08A0В0А NON CONTACT DUAL RANGE AC VOLTAGE DETECTOR T211982

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $149.99

1 in stock
UNBRANDED
TTD1732B 15C82801T VHF RII TX VCO REGULATOR T82354

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $149.00

1 in stock
ATC Diversified Electronics
ATC DIVERSIFIED ELECTRONICS UOA125DLA VOLTAGE / PHASE MONITOR T217144

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $124.99

2 in stock
UNBRANDED
I-ND08-5S07U802 W-80640 HIGH VOLTAGE ASSEMBLY T166479

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $124.99

1 in stock
Melcher
MELCHER PSR 248-7 R SWITCHING REGULATOR T198998

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $119.99

1 in stock
SSAC
SSAC HLMUDRAAA VOLTAGE MONITOR T258918

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $194.00

Was:

Now: $116.40

1 in stock
SSAC
SSAC HLMUDRAAA VOLTAGE MONITOR T259046

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $194.00

Was:

Now: $116.40

1 in stock
IFM Electronic
IFM ELECTRONIC SR5900 CONTROL MONITOR T252745

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $290.00

Was:

Now: $116.00

1 in stock
GE
GE PLVC1G01 POWER LEADER VOLTAGE CONDITIONER T159723

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $99.99

2 in stock
ICM Controls
ICM CONTROLS ICM450 3 PH VOLTAGE DETECTOR

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $99.99

2 in stock
Woodhead
LOT OF 20 WOODHEAD 1210010198 A06A1K SUPPRESSOR ADAPTER T154605

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $99.99

1 in stock
Time Mark Corporation
TIME MARK CORPORATION B263 3 PHASE POWER MONITOR T172887

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $99.99

3 in stock
TRABON
TRABON WMM MICRO MONITOR T209447

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $99.99

1 in stock
Littleton
LITTLETON 11-802-043 PRESSURE REGULATOR T85828

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $99.00

1 in stock
SMC
SMC ITV2051-21N2N4 ELECTRO PNEUMATIC REGULATOR T88897

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $99.00

3 in stock
Texas Instruments
LOT OF 200 TEXAS INSTRUMENTS TPS62162DSGR BUCK SWITCHING REGULATOR IC POSITIVE T204974

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $97.20

1 in stock
ST
LOT OF 50 ST 130 080 GK18J REGULATORS T195148

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $79.99

85 in stock
SMC
SMC VHS40-04 FILTER REGULATOR MODULAR W/ RESIDUAL PRESSURE RELIEF VALVE T155822

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $76.07

1 in stock
CARLO GAVAZZI
CARLO GAVAZZI DPA01CM44 THREE PHASE RELAY T200837

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $74.99

1 in stock
CARLO GAVAZZI
CARLO GAVAZZI DPB01CM48 BL0320087101D THREE PHASE RELAY T200835

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $74.99

1 in stock
UNBRANDED
LOT OF 88 KM19ACE3 LM2941CT LDO VOLTAGE REGULATORS 1A LDO ADJ REG T88604

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $70.00

1 in stock
Littelfuse
LITTELFUSE 201A VOLTAGE MONITOR T248154

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $139.00

Was:

Now: $55.60

1 in stock
3M
3M 724 MC-BAR-10 WORKSTATION MONITOR T175450

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $49.99

1 in stock
Melcher
MELCHER PSR54-7 POSITIVE SWITCHING REGULATORS T206523

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $49.99

1 in stock
Phoenix Contact
PHOENIX CONTACT UAK 2-PE/S-X-120AC-ST TYPE 3 SURGE PROTECTION PLUG T200844

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $49.99

1 in stock
SIEMENS
SIEMENS 3UG3042-1BP50 MONITOR RELAY 400 VAC 50/60 HZ T189166

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $117.00

Was:

Now: $49.99

1 in stock
TimeMark
TIMEMARK B264 3 PHASE POWER MONITOR 240V T172829

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $49.99

1 in stock
WUP
WUP CW.CCW VOLTAGE CONTROLLER T180996

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $49.99

1 in stock
YIREN
YIREN HG150216 YRR VOLTAGE REGULATOR MODULE T204221

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $49.99

3 in stock
MAXIM
LOT OF 50 MAXIM DS2413P TPS62110RSAR SWITCHING VOLTAGE REGULATORS ADJ 1.5-A 17-V VIN STEP-DOWN CONVERTERS T100676

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $49.00

1 in stock
Steren
STEREN MAX-1000 VOLTAGE REGULATOR T91913

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $40.00

1 in stock
Steren
STEREN MAX-1000 VOLTAGE REGULATOR T92600

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $40.00

2 in stock
Steren
STEREN MAX-1000 VOLTAGE REGULATOR T92602

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $40.00

1 in stock
OMRON
OMRON SDV-FH VOLTAGE SENSOR T158060

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $39.99

1 in stock
TIME MARK
TIME MARK B264 3-PHASE POWER MONITOR T217986

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP: $99.00

Was:

Now: $39.60

1 in stock
Westinghouse
WESTINGHOUSE NP677C524H13 VOLTAGE CONTROL SWITCH T161160

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $35.99

2 in stock
STMICROELECTRONICS
LOT OF 50 STMICROELECTRONICS L7805CD2T-TR C601-157-001 LINEAR VOLTAGE REGULATORS 5.0V 1.0A POSITIVE T172460

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $35.00

1 in stock
New-Era
NEW-ERA IVR-520 VOLTAGE REGULATOR 12V T177263

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $34.99

1 in stock
ACOPIAN
ACOPIAN DB15-35 AC TO DC POWER MODULE T148308

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $29.99

1 in stock
NORGREN
NORGREN R73G-4AK-RFN REGULATOR T107237

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $29.99

1 in stock
Steren
STEREN MAX-1000 VOLTAGE REGULATOR T169486

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $29.99

1 in stock
UNBRANDED
A5D1031A LM140K-12 LINEAR VOLTAGE REGULATOR IC T133449

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $29.00

41 in stock
OMRON
OMRON G7L-2A-TUBJ-CB MISSING COIL VOLTAGE T244896

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $24.99

1 in stock
Standard
STANDARD DS-377 DIMMER INSTRUMENTAL PANEL T177279

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $19.99

1 in stock
Standard
STANDARD VR414 VOLTAGE REGULATOR T177281

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $14.99

1 in stock
NTE
LOT OF 8 NTE NTE966 VOLTAGE REGULATOR T142334

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $10.00

1 in stock
Linear Tech
LINEAR TECH LT323AK 9321 LOW DROPOUT VOLTAGE REGULATOR T161910

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $9.99

1 in stock
Philips
LOT OF 3 PHILIPS ECG 969 VOLTAGE REGULATOR T142297

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $9.12

1 in stock
ROHM Semiconductor
LOT OF 18 ROHM SEMICONDUCTOR BA033T 422 H17 LDO VOLTAGE REGULATORS REGULATOR 3.3V 1A T84813

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $9.00

1 in stock
Standard
STANDARD VR160 VOLTAGE REGULATOR T177212

MSRP:

Was:

Now: (Inc. Texas Sales Tax)

MSRP:

Was:

Now: $8.31

1 in stock