ABB 1SDA073756R1 AUX 6Q 400Vac E2.2...E6.2 INST

The ABB 1SDA073756R1 is supplied as an ABB air circuit breaker‑related component identified by the marking "AUX 6Q 400Vac E2.2...E6.2 INST". This listing describes the exact unit as it is labelled, and positions it for use with air circuit breaker installations and low-voltage distribution assemblies. As shown in the product designation, the component is associated with 400 Vac control or auxiliary circuits and is presented for installation with switchgear equipment.

This ABB air circuit breaker entry is intended for engineers and panel builders who specify components and accessories for low voltage air circuit breaker systems. When integrated into switchgear, an ACB circuit breaker accessory like this supports control, signalling or interlock functions that are part of a broader protection and switching scheme. The description uses the product’s exact identifier so purchasers can match the ABB air circuit breaker component to their existing drawings, parts lists, or OEM documentation.

• Brand: ABB
• SKU / Catalog Number: 1SDA073756R1
• Product marking (as labelled): AUX 6Q 400Vac E2.2...E6.2 INST

Application areas: use this ABB air circuit breaker‑related component in low‑voltage switchgear and distribution panels where 400 Vac auxiliary or control circuits are present and where matched accessories are required for the ACB circuit breaker assembly. Typical applications include industrial switchgear installations, motor control centres, and distribution boards where auxiliary signalling, interlocks or control contacts are part of the breaker installation. Purchase this part when your replacement or build calls for the ABB 1SDA073756R1 designation to ensure component compatibility with existing ABB ACB assemblies.