Overview
The Airpax IEG666-1-63F-5.00-91-V is a single-pole hydraulic-magnetic circuit breaker designed for panel-mount applications requiring reliable electrical protection. Part of the proven IEG666 series from Airpax/Sensata, this 5A unit combines hydraulic-delay magnetic trip technology with a manual lever actuator for dependable load protection and fault response.
Key Features
- Trip-Free Design: Will trip open on overload, even when forcibly held in the ON position
- Hydraulic-Magnetic Technology: Magnetic (Hydraulic Delay) circuit protection for coordinated trip response
- IEC Compliance: Meets IEC spacing requirements that are mandatory for equipment that comply with IEC specifications 601 and 950
- High Voltage Isolation: Withstands 3750VAC, 60Hz for 60 seconds between all electrically isolated terminals
- Lever Panel Mount: Easy manual on/off operation with clear ON-OFF marking
Technical Specifications
- Rated Current: 5A
- Configuration: Single-pole (1-pole)
- Trip Mechanism: Hydraulic-Magnetic
- Actuation: Manual lever
- Mounting: Panel-mount (lever)
- Voltage Isolation: 3750VAC, 60Hz (60 seconds between terminals)
- Series: IEG666 (Airpax/Sensata)
- Frequency: 50/60Hz rated
Typical Applications
- Industrial control panel protection
- Equipment overcurrent protection in 5A DC/AC circuits
- Panel-mounted circuit protection for measurement and test equipment
- Branch protection in medical and industrial instrumentation
- Safety-critical applications requiring IEC 601/950 compliance
Compatibility & Replacements
Compatible With
- Standard 50/60Hz electrical systems
- DC and AC power distribution circuits rated 5A or less
- IEC 601 and IEC 950 compliant equipment enclosures
- Panel cutout and lever-mount bracket assemblies
Replaces / Drop-In Replacement For
- Airpax IEG666 series breakers with equivalent 5A, single-pole, 63F configuration
- Similar-rated hydraulic-magnetic breakers from alternative manufacturers
- Verify exact pin configuration and voltage rating before substitution
Works With
- Airpax auxiliary switch modules and relay combinations
- Standard electrical panel assemblies and DIN rail systems
- 50/60Hz AC and DC power sources up to 250V (per IEG666 series maximum)
- IEC-compliant control enclosures and industrial equipment
