ECHC

Overview

The nVent HOFFMAN ECHC is an enclosure accessory designed as a disconnect operator adapter. It is engineered for use with Hoffman Type 4 and 12 disconnect enclosures that feature a universal flange cutout. The unit facilitates the installation of disconnect switches, specifically those from Bulletin A21 series, into compatible steel enclosures.

Feature Summary

• Designed to adapt disconnect operators for specific enclosure types
• Compatible with universal flange cutouts on Type 4 and 12 enclosures

Applications

• Installation in Hoffman A21 series NEMA 4/12 enclosures
• Installation in Hoffman A28 series NEMA 4/12 enclosures
• Installation in Hoffman A34 series NEMA 4/12 enclosures
• Installation in Hoffman A4L3D series NEMA 4/12 enclosures

Procurement Notes

Verify that the target enclosure possesses a universal flange cutout compatible with this adapter. Confirm the specific disconnect switch model requires this adapter for mounting. Ensure the enclosure material and rating align with the intended operational environment. Check if additional hardware or separate ordering of the disconnect switch is required.

Selection Notes

Select this component only when retrofitting or installing a disconnect switch into an existing Hoffman enclosure with a universal flange cutout. It is not a standalone enclosure but an internal mounting solution. Ensure the chosen disconnect switch is listed as compatible with the ECHC adapter mechanism.

Part Context

This part belongs to the nVent HOFFMAN line of industrial electrical enclosure accessories. It serves as a bridge between standard disconnect switches and pre-fabricated enclosure frames, allowing for standardized manufacturing of ready-to-populate panels without custom machining for each switch type.

FAQ

Is the disconnect switch included with the ECHC adapter?

No, the ECHC is an adapter only. The disconnect switch must be ordered separately.

Can this adapter be used with non-Hoffman enclosures?

It is specified for use with Hoffman Type 4 and 12 enclosures featuring a universal flange cutout.