# Low-Voltage Air Circuit Breakers - Switchgear, RMU & Substation Panels

> Verify configuration-specific ratings and compliance in the manufacturer documentation.

> Power/rating scope: See selected product ratings | Voltage scope: ≤ 1 kV AC

**Canonical:** https://voltformer.com/category/switchgear-and-distribution-panels/low-voltage-air-circuit-breakers - markdown: https://voltformer.com/category/switchgear-and-distribution-panels/low-voltage-air-circuit-breakers.md

## Parent

[Switchgear, RMU & Substation Panels](https://voltformer.com/category/switchgear-and-distribution-panels.md): LV assemblies through 245 kV GIS, including RMU, air-insulated (AIS) and gas-insulated (GIS) switchgear systems.

## Sample Products

- [schneider-masterpact-mtz1-16h1-air-circuit-breaker - Schneider Electric MasterPact MTZ1 16H1](https://voltformer.com/switchgear/schneider-electric-masterpact-mtz1-16h1-air-circuit-breaker.md)
- [siemens-sentron-3wa1116-air-circuit-breaker - Siemens SENTRON 3WA1116-3AB02-4EA4](https://voltformer.com/switchgear/siemens-sentron-3wa1116-3ab02-4ea4-air-circuit-breaker.md)
- [abb-emax2-e12-air-circuit-breaker - ABB SACE Emax 2 E1.2](https://voltformer.com/switchgear/abb-sace-emax-2-e1-2-air-circuit-breaker.md)
- [schneider-masterpact-mtz2-25h1-air-circuit-breaker - Schneider Electric MasterPact MTZ2 25H1](https://voltformer.com/switchgear/schneider-electric-masterpact-mtz2-25h1-air-circuit-breaker.md)
- [siemens-sentron-3wa1225-air-circuit-breaker - Siemens SENTRON 3WA1225 Air Circuit Breaker](https://voltformer.com/switchgear/siemens-sentron-3wa1225-air-circuit-breaker.md)
- [abb-emax2-e22-air-circuit-breaker - ABB SACE Emax 2 E2.2](https://voltformer.com/switchgear/abb-sace-emax-2-e2-2-air-circuit-breaker.md)
- [eaton-izmx40-air-circuit-breaker - Eaton IZMX40 Çekmeceli Alçak Gerilim Hava Devre Kesicisi](https://voltformer.com/switchgear/eaton-izmx40-drawout-air-circuit-breaker.md)
- [schneider-masterpact-mtz3-40h1 - Schneider Electric MasterPact MTZ3 40H1 Hava Devre Kesicisi](https://voltformer.com/switchgear/schneider-electric-masterpact-mtz3-40h1-air-circuit-breaker.md)

## Technical specializations

- **Drawout and Fixed Air Circuit Breakers** - Engineered on request: This taxonomy specialization is covered by the dedicated switchgear catalogue. Select the exact ACB order code and verify trip unit, breaking capacity, withstand and installation form.

## Official sources

- https://webstore.iec.ch/en/publication/6148

- **Last reviewed:** 2026-09-13

## RFQ

Use the family-specific tools in [the tool reference](https://voltformer.com/tool-reference.md) and the canonical taxonomy at https://voltformer.com/agent-catalog.json. Sub-category: low-voltage-air-circuit-breakers. The transformer query's subCategory parameter applies only to transformer families. Authenticate and obtain explicit confirmation before RFQ submission.