Motor Protection Device
2,200 Per piece
1 Piece (MOQ)
Motor protection relay
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VIF meter with Three rows three digits LED display, displays PF, active Energy, RPM, Run Hours.Site Programmable CT ratio, Bar graph indication of load current.
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Analog Motor Protection Relay
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Motor protection relay
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Reyrolle 7SR105 Rho motor protection relay is a numerical protection relay intended for use in the motor protection applications. It provides a highly comprehensive functional software package with a range of integral application functions aimed at reducing installation, wiring, and engineering time.The Reyrolle 7SR105 platform is a compact motor protection relay in a Non draw out case with 6BI/Os, Serial interface, RTD inputs with Current based motor protection algorithms - simplest and comprehensive motor protection relay.The device is housed in a 4U high, size 4 non drawn-out case and these relays provide protection, monitoring, instrumentation, and metering with integrated input and output logic, data logging and fault reports. Communication access to the relay functionality is via a front USB port for local PC connection or rear electrical RS485 port for remote connection.A wide range of measured values can be viewed on the front LCD or remotely via the communications channel. The integrated control feature allows the safe operation of a motor and monitoring its start and stop operations.
7SK81 Motor Protection Relay
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the siprotec compact 7sk81 provides 4 low-power current transformer inputs and optionally 3 low-power voltage transformer inputs. With the same low-power current transformer (lpct) a wide range of primary rated line currents can be covered. Objects with rated currents in the rangefrom 20 a to 2500 a can be protected when using low-power current transformers.the following low-power current transformer ratios are suitable for the following primary current operating ranges:highlights-300 a/225 mv for a primary operating current range of 60 a to 630 a-600 a/225 mv for a primary operating current range of 120 a to 1250 a-1250 a/225 mv for a primary operating current range of 250 a to 2500 a-100 a/225 mv for a primary operating current range of 20 a to 200 athe siprotec 7sk81 is a multi-functional motor protection relay. It is designed for protection of asynchronous motors of all sizes. The relays have all the required functions to be applied as a backup relay to a transformer differential relay. The relay provides numerous functions to respond flexibly to the system requirements and to deploy the invested capital economically. Examples for this are: exchangeable interfaces, flexible protection functions and the integrated automation level (cfc). Freely assignable leds and a six-line display ensure a unique and clear display of the process states. In combination with up to 9 function keys, the operating personnel can react quickly and safely in any situation. This guarantees a high operational reliability.highlights-inputs for low power cts and vts according to iec 61869-6 (formerly iec 60044-7 and iec 60044-8)-removable terminal blocks-binary input thresholds settable using digsi (3 stages)-9 programmable function keys-6-line display-buffer battery exchangeable from the front-usb front port-2 additional communication ports-integrated switch for low-cost and redundant optical ethernet rings-ethernet redundancy protocols rstp, prp and hsr for highest availability-relay-to-relay communication through ethernet with iec 61850 goose-millisecond-accurate time synchronization through ethernet with sntp function control functions/programmable logic commands for the ctrl. Of cb, disconnect switches (isolators/isolating switches) control through keyboard, binary inputs, digsi 4 or scada system user-defined plc logic with cfc (e.g. Interlocking) monitoring functions operational measured values v, i, f energy metering valueswp,wq circuit-breaker wear monitoring minimum and maximum values trip circuit supervision fast measuring voltage failure
Motor Protection Relays
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Motor Protection Relays, Automatic Power Factor Controller