The Siemens HMD63F800 is a circuit breaker frame for unit mounting. This 3-pole, 3-phase frame belongs to the HMD series and has a temperature rating of 40C. Lug terminals accept a minimum wire size of 1/0 AWG and a maximum wire size of 500 kcmil. The trip unit is not included; this is a frame-only product.
Specifications
Key specifications
For Use With
Siemens P4 Panelboards, Siemens P5 Panelboards, Siemens Switchboards, Siemens Motor Control Centers
Mounting Type
Unit
Poles
3
Series
HMD
Electrical ratings
Phase
3
Fit and installation
Connection Type
Bolt-On
Terminal Connection
Lugs
Standards and features
Temperature Rating
40C
Product details
Brand
Siemens
MPN
HMD63F800
UPC
783643214798
Product FAQs
5 answers
What conductor sizes can I terminate at the lugs?
The lug terminals accept a wire range from 1/0 AWG to 500 kcmil. Keep conductor selection within that range while meeting the circuit's conductor-sizing requirements.
How does unit mounting affect installation planning?
Unit mount means the frame is mounted as an individual device. Plan the mechanical installation around that mounting style.
Is the Siemens HMD63F800 a complete circuit breaker or a frame?
The Siemens HMD63F800 is a circuit breaker frame. Treat it as the frame portion of the circuit-breaker assembly when planning your build.
How do the pole count and phase configuration guide selection?
The Siemens HMD63F800 has 3 poles and a 3-phase configuration. Review both characteristics against the circuit's pole and phase requirements during selection.
How should I use the 40C temperature rating when selecting this frame?
Use the 40C temperature rating as a reference when reviewing installation temperatures. Evaluate temperature at the frame location, including heat within the enclosure, rather than room temperature alone.
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