Ouellet OWS - Manual (Page 5)

5
1.1. Technical features
Features OWS-T
Type Series heating cable set, twin conductor.
Voltage 240/208V, 347V
Mat width 24” (610 mm) and 36” (914 mm)
Linear density 12W/ft. (39W/m)
Density (3” [76 mm] spacing) 50W/sq. ft. (538W/sq. m) at 240V and 347V,
37.5W/sq. ft. (404W/sq. m) at 208V
Covered surface 6.5 sq. ft. (0.84 sq. m) to 126.7 sq. ft. (11.14 sq. m)
Cold lead length 16' 4'' (5 m)
Cold lead outer diameter 3/8” (9.5 mm)
Cold lead gauge 12 AWG or 14 AWG (according to maximum allowable load)
Minimum bend radius 1” (25 mm)
Heating cable diameter 1/4” (7 mm)
Resistance wire insulation Fluoropolymer (ECTFE) 0.014” (0.35 mm) thick
Outer sheath insulation Polyolefin (EPR) 0.08'' (2 mm) thick
Cold lead outer sheath insulation PVC 0.03”(0.76 mm) thick
Ground Braided copper shielding 17 AWG
Maximum long-term exposure
temperature 105 °C (221 °F)
Maximum exposure temperature
for 10 minutes 220 °C (428 °F)
Minimum installation temperature -15 °C (5 °F)
Certification
Marking Canada: WS, X 1
United States: Type C
Warranty (see Section 7) 10 years on heating cable
1 For outdoor embedded applications.
Resistance wires
Resistance wire insulation (fluoropolymer)
Braided copper shielding (ground)
Outer sheath insulation (polyolefin)
Ø
1/4''
7 mm
Figure 1: Cable cross-section