| Amperage Ratings | 30 A 60 A 100 A 200 A |
| Size Box | Size One Size Two |
| Four Stage | 1 2 3 4 5 6 |
| Construction | 16 GA 302/304 stainless steel Gasketed for water tightness NEMA 4 Mounting Holes Provided |
| Downloads |
Valad can supply four basic control panels:
(1) Remote Mechanical
(2) Integral Mechanical
(3) Remote Solid State
(4) Integral Solid State
Note: 100 kW heater requires 130 ampere load, will use 200 ampere disconnect.
On multi-stage control boxes, 3 or greater, a solid state staging controller should be used.
Control panel will have the following components:
Six staging contacts (primary)
Six staging contactors (secondary)
Control transformer 440/120
Transformer to be fused
Through cover disconnect
Terminal
Example A
Customer has requirement for control box/6 stage 100 KW Vent Duct Heater. 440 V 3 PH with the following components:
Step down transformer
Fused terminal blocks for staging thermostats
Disconnect switch