ALCO Rectifier Junction Boxes

Description

ALCO Rectifier Junction Boxes

Custom heavy duty and lightweight junction boxes for cathodic protection rectifiers

A Collection of Junction Boxes

Available Enclosures
Fiberglass (standard) Galvanized 16ga (standard)
Galvanized Hot-dip 11ga Aluminum
Aluminum/Anodized Aluminum/Anodized/Clear coat
Stainless Steel Explosion Proof (cast aluminum)

 

Model TB Junction Box Model TB-S Junction Box Model TB-S Junction Box
Model TB-SR Junction Box Model TB-SR Junction Box Model TB-SR Junction Box

ALCO Rectifier Ordering Code/Model Number for Junction Boxes

  1. TYPE
    • TB = Terminal only
    • TB-S = Terminals & Shunts
    • TB-SR = Terminals, Shunts & Resistors
  2. ENCLOSURE (suggested nema 3r when using resistors)
    • Fiberglass (standard) —————- Nema 4x
    • Galvanized 16ga (standard) ———– Nema 3r
    • Galvanized Hot-dip 11ga ————– Nema 3r
    • Aluminum —————————– Nema 3r or 4x (specify)
    • Aluminum/Anodized ——————– Nema 3r or 4x (specify)
    • Aluminum/Anodized/Clear coat ——— Nema 3r or 4x (specify)
    • Stainless Steel ———————- Nema 4x
    • Explosion Proof (cast aluminum) —— Class 1 Div. 1
    • NOTE: Nema 3r (vented) ——– Nema 4x (sealed)
  3. SHUNT TYPE and RATING
    • RS (wire shunt) 5 amps
    • SS (stainless steel) 25 amps
    • SW (brass block)5, 10, 15, 20, 25, 30, 50, 75, 100, 200 amps
  4. TERMINAL LUG
    • KA-4C = #14 – #4 wire
    • KPA25 = #4 – 1/0 wire
    • KPA-28 = 1/0 – 4/0 wire
  5. RESISTORS (1-ohm standard)
    • 25 watt – 1-ohm —– (5.0 amps max.)
    • 50 watt – 1-ohm —– (7.07 amps max.)
    • 100 watt – 1-ohm —– (10.0 amps max.)
    • 300 watt – 1-ohm —– (17.3 amps max.)
    • Space Only ( for future resistor or resistance wire)
  6. SPECIAL FEATURES
    • Reostats ( Specify size – Watts/Ohms)
    • Ammeter with Switch
    • Conduit knock-outs in box (Specify size and qty.
    • Specify other

 

JUNCTION BOX SAMPLE ORDER FORM
Type of Junction Box TB-S
Number of Circuits* 6
Enclosure & Nema Rating Fiberglass 4x
Shunt Type & Rating RS 5 amp
Header Lug Size KPA-25
Circuit Lug Size KA-4C
Resistor Watt/Ohm None
Special Features None
Header lug is not counted as a circuit.

Model TB-SR Junction Box