STO(A)/TC Series - Oil-Resistant Flexible Power Cable
Caution
Product Description
Cable for electronic equipment wiring suitable for wiring on cable trays and raceways.
[Features]
▪ UL, cUL shared (Category: QPOR, ZJCZ, ZKHZ, ZJCZ7).
▪ Compliant with ULVW-1, cULFT1 flame retardant.
▪ Passed the UL vertical tray flame retardance test.
· Use of a flexible vinyl material that is oil and heat resistant.
· Can be used as tray cable as well.
· Conforms to the Electrical Appliance and Material Safety Law
Compliant standards
| Certification | UL STO | cUL STO | UL TC | UL MTW | Electrical Appliances and Materials Safety Act of Japan (18–10 AWG) | Electrical Appliances and Materials Safety Act of Japan (8–2 AWG) |
|---|---|---|---|---|---|---|
| Applicable Standards | UL 62 | CSA C22.2 No. 49 | UL 1277 | UL 1063 | Ministerial Ordinance Specifying Technical Standards for Electrical Appliances | Ministerial Ordinance Specifying Technical Standards for Electrical Appliances |
| Type symbol | STO | STO | TC | MTW | Vinyl flexible cord | Vinyl flexible cord |
| Rated voltage | 600V | 600V | 600V | 600V | 300V | 600V |
| Rated temperature | 105°C | 105°C | DRY 90°C WET 75°C | DRY 90°C WET 60°C | 60°C | 60°C |
| Conductor | UL 62 | CSA C22.2 No. 49 | UL 1277 | UL 1063 | JIS C 3102 | JIS C 3102 |
| Flame retardancy | VW-1 | FT1 | Vertical-Tray Flame Test | VW-1 | JIS C 3005 4.26.2 b | JIS C 3005 4.26.2 b |
Specifications Table
| Number of wire cores | Conductor | Heat Resistant Vinyl Insulator | Oil-resistant, heat resistant, flexible vinyl sheath | Approximate Weight (kg/km) | ||||
| size (AWG) | Configuration (pcs./mm) | Outer diameter (mm) | Thickness (mm) | Outer diameter (mm) | Thickness (mm) | Outer diameter approx. (mm) | ||
| 2C | 18 (0.824 mm²) | 33/0.18 | 1.2 | 0.85 | 2.9 | 1.7 | 9.3 | 95 |
| 3C | 9.7 | 115 | ||||||
| 4C | 10.5 | 135 | ||||||
| 2C | 16 (1.31 mm²) | 53/0.18 | 1.5 | 0.85 | 3.2 | 1.7 | 9.9 | 115 |
| 3C | 10.5 | 135 | ||||||
| 4C | 11.3 | 165 | ||||||
| 2C | 14 (2.08 mm²) | 41/0.254 | 1.9 | 1.25 | 4.4 | 2.25 | 13.5 | 205 |
| 3C | 14.2 | 240 | ||||||
| 4C | 15.3 | 290 | ||||||
| 2C | 12 (3.31 mm²) | 65/0.254 | 2.4 | 1.25 | 4.9 | 2.65 | 15.3 | 275 |
| 3C | 16.1 | 330 | ||||||
| 4C | 17.3 | 400 | ||||||
| 3C | 10 (5.26 mm²) | 104/0.254 | 3.1 | 1.25 | 5.6 | 2.65 | 17.6 | 425 |
| 4C | 19.0 | 525 | ||||||
| 3C | 8 (8.37 mm²) | 7/24/0.254 | 4.2 | 1.7 | 7.6 | 3.1 | 22.8 | 695 |
| 4C | 3.5 | 25.5 | 900 | |||||
| 4C | 6 (13.3 mm²) | 7/39/0.254 | 5.3 | 1.7 | 8.7 | 3.9 | 29.0 | 1250 |
| 4C | 4 (21.2 mm²) | 7/61/0.254 | 6.6 | 1.7 | 10.0 | 4.3 | 32.9 | 1730 |
| 4C | 2 (33.6 mm²) | 19/35/0.254 | 8.4 | 1.8 | 12.0 | 4.7 | 38.6 | 2440 |
*3 and 4C include a "Y/G" earth of the same size.
(Examples) 3C x 18 AWG: 2 x 18AWG+1 x 18AWG (earth)
Product Properties
Allowable current
- The allowable current is the value at 30°C ambient temperature in NFPA70 Table 400.5 (A) STO.
- Refer to NFPA70 (National Electrical Code) and NFPA79 (Electrical Standard for Industrial Machinery) for details of use.
Electrical Characteristics
| size (AWG) | Conductor resistance (Ω/km 20°C) | Insulation Resistance (MΩkm 20°C) | Withstand voltage (V/1 min.) | * Allowable Current (A) | |
|---|---|---|---|---|---|
| a | B | ||||
| 18 | 22.1 or less | 60 or more | 2000 | 7 | 10 |
| 16 | 13.7 or less | 60 or more | 2000 | 10 | 13 |
| 14 | 8.64 or less | 60 or more | 3000 | 15 | 18 |
| 12 | 5.42 or less | 50 or more | 3000 | 20 | 25 |
| 10 | 3.42 or less | 50 or more | 3000 | 25 | 30 |
| 8 | 2.14 or less | 50 or more | 4000 | 35 | 40 |
| 6 | 1.34 or less | 50 or more | 4000 | 45 | 55 |
| 4 | 0.848 or less | 50 or more | 4000 | 60 | 70 |
| 2 | 0.533 or less | 40 or more | 4000 | 80 | 95 |
*The allowable current as per the National Electrical Code (NEC) is:
a: Compatible with cords where current flows only through 3 cores in 3-core and other multi-core cords
b: Compatible with cords where current flows only through 2 cores in 2-core and other multi-core cords
Wire Core Identification
Structure
Surface Printing
(1) For 18 AWG to 10 AWG
(2) For 8 AWG to 2 AWG
Identification
* The Y/G line has a green background with 3 recessed yellow bands (30 to 50%).