Frequently Asked Questions

   Why Hydraulic-magnetic Circuit Breakers?

• No overcalibration necessary thus saving energy and costs
• Independent of temperature changes between -40°C and +80°C
• Reset immediately after fault
• Low internal resistance
• Small size

Can you manufacture AC or DC or 400 Hz ?

Yes, Eaton-Heinemann offers AC or DC or AC/DC and/or 400 Hz

What kind of approvals do you have ?

UL, CSA, VDE, IEC, EC, etc.

Is the trip point influenced by ambient temperature changes?

No, the Hydraulic-magnetic technology and the trip point in particular are not influenced by ambient temperatures.

Can the Circuit Breakers match Hi-Inrush values without overcalibration causing nuisance trip ?

Yes, Eaton-Heinemann manufactures various versions up to 25 x In integrated in one single-pole without overcalibration

 

Is the auxiliary contact integrated in one single-pole ?

Yes, various types of auxiliary contacts are available integrated in one single-pole.

 

Can multi-pole Circuit Breakers be manufactured with different amp-ratings ?

Yes, multi-pole versions can be supplied with different amp-ratings.

 

Can you manufacture Circuit Breakers for special applications involving your assistance to resolve problems during design-in phase ?

Yes, Eaton-Heinemann provides engineering-application-assistance to resolve your problems at any time.

 

Do you have printed circuit board versions ?

Yes, these types can be offered with and without auxiliary contacts.

 

Can you offer different Time Delay curves ?

Yes, Eaton-Heinemann Circuit Breakes offers Short, Medium, Fast, Instantaneous and special Time Delay curves.

 

Are also Dual Rating versions possible ?

Yes, when systems are operating under two different currents or voltages, Eaton-Heinemann offers versions up to 20 A.