Item # RCB, Mechanical Remote Control Boxes On Valad Electric Heating Corp.

Electric Hot Plates Electric Space Heaters Convection Heaters Electric Heating
Gallery Equipment Electric Vent
Duct Heaters Electric Heat Sealers Electric Heating
Elements Electric Defroster / De-Icer Heaters Electric Heated Shears and Heat Controls


All Categories > Electric Vent Duct Heaters > Item # RCB


	Item # RCB, Mechanical Remote Control Boxes

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 block for remote thermostats (six)
Terminal block for duct stat
Terminal block for sail switch
Terminal block for manual hi-limit thermostat/one per stage

Valad will assign a drawing number to each control box when order is placed. Prints of the control box and wiring diagram will be put on file and a copy sent to customer for future reference.

Customer to list all the components (See Example A).

larger image

Control Panels Ventilation Duct Heater-2

larger image

Specifications · Example A

Specifications

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

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

MORE IMAGES


	· Size Chart Remote Control Boxes

Item # RCB, Mechanical Remote Control Boxes

Amperage Ratings

Size Box

Four Stage

Construction