Under Frequency Protective Relays and Monitoring Relays

7 Results
Monitoring Relays -- 2237788
from RS Components, Ltd.

Digital Multi-function Voltage Monitorin [See More]

  • Voltage Sensitive Relay: Overvoltage Protection; Undervoltage
  • Approvals: RoHS
  • Power (Phase) Sensing: Phase Failure (Loss); Sequence
Monitoring Relays -- 261971 [84872501 from Crouzet]
from RS Components, Ltd.

HHZ Frequency Control relay [See More]

  • Frequency Sensing Range: 40
  • Approvals: RoHS
Monitoring Relays -- 6566253
from RS Components, Ltd.

Frequency relay [See More]

  • Frequency Sensing Range: 60
PNT-202
from Dynalco

PICKUP POWERED OVERSPEED TRIP: over/under speed protection, CSA: Cls I, Div 1, Grp A, B, C,D. The PNT-202 receives power and signal input from (2) magnetic pickups, providing 2 setpoints for tripping SPV-200 Pneumatic Solenoid. [See More]

SST-7100 Digital Speed Switch -- SST-7100
from Dynalco

SST-7100 is a PC-programmable, din-rail mounted speed switch with 1 standard relay set-point to protect your engine from catastrophic failure by providing reliable over/under speed protection. [See More]

SST-7200 Digital Speed Switch -- SST-7200
from Dynalco

SST-7200 is a PC-programmable, DIN rail mounted speed switch with 2 standard relays to protect your rotating equipment from failure by providing reliable under/over speed protection [See More]

SST-7200D Digital Speed Switch -- SST-7200D
from Dynalco

SST-7200D is a PC-programmable, DIN rail mounted speed switch with display and keypad programmability. It has 2 standard relays to protect your rotating equipment from failure by providing reliable under/over speed protection [See More]