Overview
The Aromat FR-M20U-AC240V-18 magnetic contactor is a robust industrial-grade switching device engineered for reliable motor control and electrical load management. Designed as a Size O frame contactor with 3-phase, 3-pole configuration, this unit handles 24-ampere rated current and operates from a 240V AC coil supply. Built to IEC and NEMA standards, the FR-M20U-AC240V-18 delivers precise electromagnetic switching with consistent operational performance across temperature and load variations.
Key Features
- Size O Frame: Compact, standard industrial footprint for easy panel mounting and integration
- 3-Phase, 3-Pole Design: Suitable for three-phase motor and load control applications
- 24 Ampere Rating: Handles moderate to heavy electrical loads with proper thermal coordination
- 240V AC Coil: Direct connection to standard industrial control circuits without additional transformers
- Press-to-Test Feature: Manual test capability for quick operational verification without de-energizing the control system
- Auxiliary Relay Capability: Supports add-on auxiliary contacts for extended control logic and signaling
Technical Specifications
Detailed electrical and mechanical parameters for the Aromat FR-M20U-AC240V-18 include standard contactor construction meeting recognized industrial control standards.
Typical Applications
- 3-Phase motor starting and stopping
- Industrial pump and fan control
- Compressor load management
- General-purpose induction motor control circuits
- OEM equipment integration and replacement service
- Retrofit and upgrade applications in existing control panels
Compatibility & Replacements
Compatible With
- Standard 240V AC control power supplies
- 3-phase distribution systems (208V–480V rated equipment)
- IEC and NEMA-compliant motor control centers
- Manual and automatic control circuits
- Thermal overload relay assemblies and starter packages
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or original equipment documentation before ordering. The FR-M20U-AC240V-18 is a direct replacement for other Aromat FR-M20U models with 240V AC coil configuration. For applications requiring different coil voltages or contact configurations, consult the Aromat product family cross-reference or an authorized distributor.
Works With
- Manual control stations and pushbutton circuits
- Programmable Logic Controllers (PLCs) via 24V DC auxiliary circuits
- Soft starters and variable frequency drives (VFDs) for coordinated load control
- Thermal and solid-state overload protection relays
- Standard three-phase motor starters and combination units














