- CMGPS

A GPS-based synchronization unit which is used with the CMC test set.
- CMIRIG-B Interface

The CMIRIG-B interface unit can be connected to CMC 356/256plus/256-6 with NET-1 option. It supports advanced testing modes utilizing the IRIG-B time protocol.
- Polarity Checker

Checks a series of terminals for correct wiring (replacement for battery checking method).
- CMLIB F

With a CMLIB F the available output power of a CMA 156 current amplifier can be increased by a factor of 3 (210 VA at 7,5 A instead of 70 VA) for all single-phase fault loops.
- REF 54x Cable Connector

For the connection of the low level outputs of a CMC test set (16-pole LEMO connector) to the low level inputs of ABB relays series REF 54x with AMP connectors 31-223 (unconventional transformers, Rogowski coils).
- CMLIB A

CMLIB A is used for tapping the analog low level signal outputs of a CMC and/or for connecting with the control inputs of amplifiers like CMA 156 and CMS 156.
- Scanning Heads and Related Accessories

Active and passive photoelectric scanning heads are available for sensing rotating discs of Ferraris meters or LED pulses of electronic meters. The optical scanning head OSH256 in conjunction with the interface box IFB256 is also suitable for sensing relay LED's.
- CM ASB2

CM ASB2 allows for easier testing of relays with higher current or power requirements.
- Current Clamp

C-Probe 1 is an active AC and DC current probe with voltage output. It is the recommended accessory for measuring currents with the CMC 256/256plus or CMC 356 with ELT-1 hardware option.
- Express Card SPPXP-100

The SPPXP-100 Parallel Port Express Card is recommended for newer laptop models without a parallel port or PCMCIA slot.
- PCMCIA Card SPP-100

Parallel port for laptop models with PCMCIA slot.
- Cables and other standard accessories

Overview of connection cables and other standard accessories.
- Generator Combination Cable

Connection between the Generator-Combination-Plug of the CMC 156/256/256plus/356, CMS 156 or CMA 156 to the test object.
- CMC Wiring Accessory Package

Optional wiring accessories for wiring test objects to CMC test sets.
- Fiber Optic Patch Cables

For IEC 61850 communications.
- Recloser Controller Test Cable

Connects Cooper style Recloser Controllers and CMC 356, 256/256plus, 156 or 56 test sets, allowing the Recloser Controllers to be automatically tested under realistic system conditions.
- Cases / Soft Bags

OMICRON offers various sturdy transport cases with hard-foam interiors in different sizes and Soft Bags.
- Collapsible Stand

For CMC Devices in Upright Position.