Product releases / 2026-06-15

IOTM2LR smart moulded-case circuit breaker documentation released

This product update organizes the documentation for the five frame sizes 125, 250, 400, 630 and 800 A, explaining how complete model codes, rated currents, and certification documents correspond.

This product update consolidates the existing documentation for the IOTM2LR smart moulded-case circuit breaker and lists complete model codes, rated-current ranges, and related certification information for the 125, 250, 400, 630, and 800 A frame sizes.

Frame-size documentation scope

IOTM2LR frame sizes and rated-current ranges

Frame size	Series	Rated current range
125	IOTM2LR-125S / 125M / 125H	50 A to 125 A
250	IOTM2LR-250S / 250M / 250H	100 A to 250 A
400	IOTM2LR-400S / 400M / 400H	160 A to 400 A
630	IOTM2LR-630S / 630M / 630H	250 A to 630 A
800	IOTM2LR-800S / 800M / 800H	320 A to 800 A

IOTM2LR rated-current ranges by frame size — The rated-current ranges for the five frame sizes are compiled from the current product documentation.

Product shown in the scene image: 250 A frame size

The product shown in this scene image carries the nameplate model IOTM2LR-250M/3N. The 125, 400, 630, and 800 A frame sizes are documented in the model table and certificates; the 250 A image is not used to represent other specifications.

Certification documents are filed by the models they cover

The document library on the official website holds the product certification documents for IOTM2LR-125/250 and for IOTM2LR-400/630/800 separately. The models, standards and validity period covered by each certificate are as recorded in the original document.

This 3C certificate lists IOTM2LR-400S/M/H, 630S/M/H and 800S/M/H, was issued on 11 December 2024 and is valid until 10 December 2029; its current status should still be checked before it is cited in a project.

Document scope notes

This article compiles existing product information. It does not indicate that five frame-size classes were added, launched, or certified on the publication date. Refer to the current specifications, certificates, and technical confirmations for the configuration, supply status, and project parameters.