Frequently asked questions
Cortex Meter Contactor Specifications
FAQ000283206
05 August 2026
Contactors can be supplied by various OEMs; however, the following specifications are strongly recommended to ensure reliable service of the Clipsal Cortex load control application:
- Suitable Nominal current ranges from 25A upwards for loads
- Resistive loads including 3.6 kW or 4.8 kW heating element/s expected in 315L & 400L tanks
- Reasonable current de-ratings as per AC-1, AC-7a & AC-7b
- AC-1: Non-inductive or slightly inductive loads, example: resistive furnaces, heaters
- AC-7a: Slightly inductive loads in household appliances: examples: mixers, blenders
- AC-7b: Motor-loads for household appliances: examples: fans, central vacuum
- Compliance to IEC/EN 61095 & RCM approval
- Rated for 100,000 electrical coil operations
- Rated for 1,000,000 mechanical operations
- 1 Normally Closed Contact (NC) + 1 Normally Open Contact (NO)
- Coil Voltage of 240Vac
- 1 pole (18mm) width to save space
- Manual Override switch (I / Auto / O)
- RCM approval
- Hum Free contactors are not supported (Example Voltex Contactors MC-25-240-R-1NO1NC)