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Protection Relays & Systems

Explore Protection Relays & Systems parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.

For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to ICMENU. Our team can assist with availability checks and quotation support.

Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Product Status Function Voltage - Supply Trip Range Delay Time Mounting Type Termination Style Features Operating Temperature
TVM-400-10-0002 R-K Electronics, Inc.

TVM-400-10-0002

3 VOLT RELAY ADJ 410-490VAC -10P

R-K Electronics, Inc.

1,416
Datasheet - Bulk Active Undervoltage 410 ~ 490VAC 41 ~ 49VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C
TVM-400-20 R-K Electronics, Inc.

TVM-400-20

3 VOLT RELAY ADJ 410-490VAC 10P

R-K Electronics, Inc.

4,684
Datasheet - Bulk Active Overvoltage, Undervoltage 410 ~ 490VAC 41 ~ 49VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C
TVM-400-10 R-K Electronics, Inc.

TVM-400-10

3 VOLT RELAY ADJ 410-490VAC -10P

R-K Electronics, Inc.

2,170
Datasheet - Bulk Active Undervoltage 410 ~ 490VAC 41 ~ 49VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C
TVM-400-21-2002 R-K Electronics, Inc.

TVM-400-21-2002

3 VOLT RELAY ADJ 410-490VAC 13P

R-K Electronics, Inc.

2,887
Datasheet - Bulk Active Overvoltage, Undervoltage 410 ~ 490VAC 53.3 ~ 63.7VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C
DPM-24A-T R-K Electronics, Inc.

DPM-24A-T

PHASE MONITOR 200-600V 24VAC SUP

R-K Electronics, Inc.

4,395
Datasheet - Box Active Multiple 24VAC - 2 ~ 10s Chassis Mount Quick Connect - 0.187"/0.250" - -40°C ~ 65°C
DPM-240A-T R-K Electronics, Inc.

DPM-240A-T

3 VOLT RELAY, 240VAC, 200-600VAC

R-K Electronics, Inc.

3,797
Datasheet - Box Active Multiple 208 ~ 240VAC - 2 ~ 10s Chassis Mount Quick Connect - 0.187"/0.250" - -40°C ~ 65°C
VWKP240A Macromatic Industrial Controls

VWKP240A

VOLTAGE MONITOR

Macromatic Industrial Controls

4,983
Datasheet VWKP Box Active Overvoltage, Undervoltage 240VAC 135 ~ 300VAC 0.1 ~ 10s Socketable Plug In, 8 Pin (Octal) - -28°C ~ 65°C
VAKP240A Macromatic Industrial Controls

VAKP240A

VOLTAGE MONITOR

Macromatic Industrial Controls

4,605
Datasheet VAKP Box Active Overvoltage, Undervoltage 240VAC 135 ~ 300VAC 0.1 ~ 10s Socketable Plug In, 8 Pin (Octal) - -28°C ~ 65°C
VMP240A Macromatic Industrial Controls

VMP240A

VOLTAGE MONITOR

Macromatic Industrial Controls

3,289
Datasheet VMP Box Active Overvoltage, Undervoltage 240VAC 135 ~ 300VAC 0.5s Socketable Plug In, 8 Pin (Octal) - -28°C ~ 65°C
PMPU Macromatic Industrial Controls

PMPU

THREE-PHASE MONITORING RELAY

Macromatic Industrial Controls

1,634
Datasheet PMP Box Active Phase Imbalance, Phase Loss, Phase Sequence, Overvoltage, Undervoltage 190 ~ 500VAC - - Socketable Plug In, 8 Pin (Octal) Manual Reset -28°C ~ 65°C
DPM-24A-B R-K Electronics, Inc.

DPM-24A-B

3 VOLT RELAY, 24VAC, 200-600VAC,

R-K Electronics, Inc.

1,776
Datasheet - Box Active Multiple 24VAC - 2 ~ 10s Chassis Mount Screw Terminal - -40°C ~ 59°C
DPM-120A-B R-K Electronics, Inc.

DPM-120A-B

PHASE MONITOR 200-600V, 120VAC,

R-K Electronics, Inc.

2,402
Datasheet - Box Active Multiple 110 ~ 120VAC - 2 ~ 10s Chassis Mount Screw Terminal - -40°C ~ 59°C
CLR-120A-1002 R-K Electronics, Inc.

CLR-120A-1002

OVER FREQ, 120VAC ADJ 0.7-7PPS,

R-K Electronics, Inc.

3,478
Datasheet - Bulk Active Overspeed 100 ~ 125VAC 0.7 ~ 7PPS 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C
STR-120A-B R-K Electronics, Inc.

STR-120A-B

SEAL & TEMPSTAT RELAY, 120VAC, T

R-K Electronics, Inc.

3,415
Datasheet - Box Active - 120VAC - - Chassis Mount Screw Terminal - -40°C ~ 65°C
PMDU Macromatic Industrial Controls

PMDU

THREE-PHASE MONITORING RELAY

Macromatic Industrial Controls

2,110
Datasheet PMD Box Active Phase Imbalance, Phase Loss, Phase Sequence, Overvoltage, Undervoltage 190 ~ 500VAC - - DIN Rail Screw Terminal Manual Reset -28°C ~ 65°C
PMD575 Macromatic Industrial Controls

PMD575

THREE-PHASE MONITORING RELAY

Macromatic Industrial Controls

2,603
Datasheet PMD Box Active Phase Imbalance, Phase Loss, Phase Sequence, Overvoltage, Undervoltage 460 ~ 600VAC - - DIN Rail Screw Terminal Manual Reset -28°C ~ 65°C
DPMP-120A-B R-K Electronics, Inc.

DPMP-120A-B

3 VOLT RELAY, 120VAC, 200-600VAC

R-K Electronics, Inc.

2,652
Datasheet - Box Active Multiple 120VAC - 2 ~ 10s Chassis Mount Screw Terminal Manual Reset -40°C ~ 59°C
PVCO-200-AR R-K Electronics, Inc.

PVCO-200-AR

3 VOLTAGE MON, 208/240VAC 3, SPD

R-K Electronics, Inc.

2,784
Datasheet - Box Active Overvoltage, Undervoltage 208 ~ 240VAC - 5s Chassis Mount Screw Terminal Automatic Reset -20°C ~ 40°C
MVPL-24A-A1C R-K Electronics, Inc.

MVPL-24A-A1C

1&3 VOLTAGE MONITOR 24AC 8-PIN

R-K Electronics, Inc.

3,744
Datasheet - Bulk Active Multiple 24VAC - 2 ~ 300s Chassis Mount Plug In, 8 Pin (Octal) Manual Reset 0°C ~ 65°C
LVM-1-4.5V-S R-K Electronics, Inc.

LVM-1-4.5V-S

AC/DC VOLTAGE MONTR, 120VAC, ADJ

R-K Electronics, Inc.

4,998
Datasheet - Box Active - 100 ~ 125VAC 0.25 ~ 4.5VAC 0.75s Chassis Mount Screw Terminal - 0°C ~ 40°C
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FAQ

Frequently Asked Questions

What are Protection Relays & Systems components used for?

Protection Relays & Systems components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.

How do I choose the right Protection Relays & Systems part?

Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.

Can ICMENU help source obsolete or hard-to-find Protection Relays & Systems parts?

Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.

How can I request pricing and availability?

Submit the part number, manufacturer and required quantity through our RFQ form. ICMENU will review your request and provide available stock, pricing and sourcing information.

BOM & COMPONENT SOURCING

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