ABB Auxiliary Contact, 1 Contact, 1 NC, OA, Snap-On, 16 A, OA4B01 1SCA022276R9210

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PHP1,236.51

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PHP1,384.89

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RS Stock No.:
512-9500
Mfr. Part No.:
OA4B01 1SCA022276R9210
Manufacturer:
ABB
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Brand

ABB

Product Type

Auxiliary Contact

Number of Contacts

1

Normal State Configuration

1 NC

Series

OA

Contact Current

16A

Mount Type

Snap-On

Pole and Throw Configuration

1P

Operational Current Ie

16A

Standards/Approvals

No

RoHS Status: Exempt

ABB Series OA Auxiliary Contact, 16A Contact Current, 1 NC Normal State Configuration - OA4B01 1SCA022276R9210


This auxiliary contact is a snap-on, single‑pole switching accessory designed to extend the signalling and interlock capability of industrial switchgear. It provides a single normally closed contact for monitoring or control circuits and is intended for use with compatible OS Mini and small OS switch ranges where additional auxiliary contacts are required.

Features & Benefits


• Rated for 16A enabling direct control of moderate control loads
• Single NC contact simplifies fault or off‑state detection
• Snap‑on mounting for Rapid installation without screws
• Early‑break design reduces arcing during opening operations
• IP20 protection when mounted correctly for Basic finger safety

**Applications**


• Suitable for adding auxiliary signalling to switch mechanisms
• Ideal for use as a spare part in maintenance and repairs
• Used with contactors and small switch fuses requiring feedback contacts
• Can be used to provide interlock or monitoring functions in control panels

What electrical load can it switch safely?


It is rated to carry and switch currents up to 16A for typical control and signalling circuits.

How is the unit installed onto a switch?


The contact employs a snap‑on mounting method that clips onto compatible switch mechanisms without separate fastening hardware.

Can it provide a test indication function?


The device offers a normally closed contact suitable for off‑state or fault indication

test‑indication arrangements depend on the host switch configuration.

Is it intended for multi‑pole configurations?


It is a single‑pole contact module intended for use where one NC auxiliary circuit is required.

Does it include mounting frames or adapters?


Mounting frames and additional adapters are offered separately for multi‑contact arrangements and specific switch types.