- 50 or 60 Hz design
- High voltage and low voltage terminal boards to interconnect heater with remote panel
- Grounding lugs
- Automatic limit switch for primary over temperature protection
- Manual reset limit swithc for secondary over temperature protection
- Left hand offset control box
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- Standard supply voltages, 120-480
- Standard control voltages, 24-277
- Single or three phase
- Staging (balanced, unless otherwise specified)
- Slip in, flange mount, bottom mount
- Full face coverage
- Recessed control box
- Right hand offset control box
- 80/20 (Ni/Cr) resistance wire
- Stainless steel wire
- Derated coils
- Vapor barrier
- Gasketed cover
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