ABB Auxiliary Contacts Price List — 2026 | ramo.co.il

The most important spec is compatibility — every auxiliary contact is designed for a specific contactor series (for example AF09-AF38 or NC1/NC2), so the exact contactor model should be checked before ordering. Next comes deciding how many NO (normally open) and NC (normally closed) circuits are needed, since blocks come in different configurations like 1NO+3NC or 2NC.

A common mistake is ordering the wrong mounting position — top-mounted blocks need clearance above the contactor, while side-mounted blocks need extra width in the panel. Another mistake is ignoring the rated current and voltage of the auxiliary contact relative to the control circuit.

In Israel, panels typically run on 230V/400V three-phase systems, so the auxiliary contact rated voltage should match the control circuit. Keeping a spare block in the panel cabinet is good practice too, since replacing a failed contact quickly minimizes downtime.

Before installing, power to the panel should always be switched off, and the exact contactor model along with its available mounting positions should be verified.

The auxiliary contact block snaps onto the top or side of the contactor as designed, then the NO/NC terminals are wired into the control circuit according to the wiring diagram.

Contacts should be inspected periodically for wear or arcing, and replaced if pitting or unreliable switching is noticed. Work should never be done on a live panel — the panel must always be de-energized before any maintenance.