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HTCM
Furnace Cable, Steel Braided, Nextel/Silica Insulation
- 700°C (1292°F) Temperature Rating
- For Use in Non-Flexing Applications
- Single Stranded, “D” Nickel Conductor
- Mica Tape Insulation with Ceramic Fiber
Product Overview
- Alloy Material (-) Nickel
- Alloy Material (+) Nickel
- Insulation Mica Tape Insulation with Ceramic Fiber
- Operating Temperature, Max 700 °C
- Operating Temperature, Min 0 °C
- Overbraiding Type Stainless Steel
- Series ID HTCM
- Voltage Rating 300 V
Supported Applications
The Omega HTCM and HTSM series consists of High Temperature Furnace Cable designed as a single conductor lead wire for very high temperature applications. The product overview identifies these cables as recommended for areas exposed to elevated temperatures with minimal flexing after installation, specifically citing ovens, kilns, and furnaces.
Operating Conditions & Performance
The series is rated for a maximum operating process temperature of 700°C (1292°F). The construction features a stranded 'A' nickel conductor insulated with mica tape combined with either ceramic fiber or silica, protected by an outer stainless steel wire braid. Electrical specifications list a voltage rating of 300 Volts across all available configurations.
Configuration Options
The series offers configurable options for insulation type and conductor size to meet specific installation requirements:
- Insulation Types: Available with Ceramic fiber (HTCM) or Silica (HTSM).
- Wire Gauges: Offered in 18, 16, 14, 12, and 10 AWG.
- Conductor Construction: Stranded 'A' nickel with specific strand counts per gauge (e.g., 19 x 30 for HTSM-1NI-618S; 105 x 30 for HTCM/HTSM-1NI-610S).
- Lengths: Configurable in various spool lengths, with a minimum order of 10'.
The stainless steel wire braid provides mechanical protection. Note that UL listing and CSA certification are not available for the HTCM/HTSM series wire.
Key Product Differences
Variants within this bundle distinguish between insulation materials while maintaining consistent conductor composition and voltage ratings:
- Ceramic Fiber (HTCM): Models such as HTCM-1NI-618S through HTCM-1NI-610S utilize ceramic fiber insulation.
- Silica (HTSM): Corresponding models, designated with the HTSM prefix (e.g., HTSM-1NI-618S), feature silica insulation.
Nominal outer diameters and weight per length vary by gauge. For example, 10 AWG wire has a nominal OD of 5.6 mm (0.22 inch) with a weight of 32.7 kg/1000' (72 lb/1000'), while 18 AWG measures 3.4 mm (0.14 inch) and weighs 12.2 kg/1000' (27 lb/1000'). Model numbers follow the format HTCM-1NI-[Wire Gauge]S, where the suffix indicates a spool configuration.
