Substations

REF 54x cable connector

This connection cable (length: approx. 2.5 m / 8.2 ft.) with Twin-BNC plugs to connect ABB protection relays of the REF 54x series to the low level outputs of CMC test sets.
The CMC test set in such applications simulates non-conventional instrument transformers and/or Rogowski coils.
Compatible test sets: CMC 356, CMC 353, CMC 256plus, and CMC 850.

RIB1

RIB1 is used to isolate SELV low voltage signals. It is connected between the low level outputs of a CMC test set and the device under test and provides a reinforced insulation to the low level outputs.

RXB1

RXB1 extends CMC test sets with 4 additional binary relay outputs. Each binary output channel consists of a normally open ("make") and a normally closed ("break") contact.

Recloser and sectionalizer test cables

OMICRON offers a comprehensive range of cable packages as an accessory to CMC test sets for testing various recloser and sectionalizer controls.
After a simple change of the plug connected to the control to be tested, the CMC simulates the behavior of the recloser or sectionalizer in normal operation and provides all voltages, currents and status signals required for testing.

Rogowski coil

A high precision Rogowski coil with a length of 1.9m / 6ft and a range of 3A, 30A, 300A and 3000A can be used to measure small currents in order to determine the current reduction factor during grounding system tests. It can be also used as general purpose current sensor.

SAA2 Warning Lamp

The new SAA2 is a small, lightweight, and scalable safety accessory that helps you to mark your testing area and warn people that the prohibition zone around the test setup must not be entered. The system is cascadable up to 6 lamps.
Depending on the status of the test device the SAA2 shows either a green or red light. In addition to the red flash light, the SAA2 can also give an audible signal if a measurement is ongoing. It also offers an emergency button to stop the measurement immediately, if needed.

SER 1 scanning equipment for protection relays

SER 1 contains the OSH 256R passive optical scanning head which is designed for reading the status indication LEDs of protection relays. For connecting its binary output signal to one of the binary inputs of a CMC test set, the interface box IFB 256 is used.
The lightweight scanning head can be attached to smooth surfaces by means of its suction cup or by a re-usable adhesive rubber compound in case of a non-planar surface. The adhesive rubber compound additionally screens the sensor from ambient light.

SEM 3 scanning equipment for meters

SEM 3 contains the photoelectric scanning head SH 2015 to detect pulses from electronic meters. This scanning head provides a ring magnet to attach the unit to solid-state meters. It is suitable for a wavelength range of 610 nm to 1000 nm.
An adapter cable for direct connection to the external interface (EXIF) connector on the rear of a CMC 356, CMC 256plus, CMC 430, CMC 353 or CMC 310 is included in delivery.

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