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Low Temperature Self-Regulating Heating Cable (SLCAB)

Ordering Options:
Starting at $5.14
/ FT

Description

BriskHeat Cut-to-Length and FM Approved Self-Regulating Heating Cable is ideal for freeze protection and low temperature process maintenance up to 150⁰F (65⁰C). Also known as self-regulating heat trace cable, it self-regulates temperature by automatically adjusting heat output based on surface and ambient temperatures. No temperature controller is required, unless specified.

Note: Special consideration must be given for the circuit breaker due to the high initial in-rush currents

B notes Tinned Copper Metal Braid 
BP notes Tinned Copper Metal Braid with Thermoplastic Polyolefin Overjacket
BF notes Tinned Copper Metal Braid with Fluoropolymer Overjacket
SS notes Stainless Steel Metal Braid 

Part Number

SLCAB-series

Additional Features: 

  • Safe to overlap and insulate
  • Moisture, chemical, and flame resistant
  • Can be cut-to-length and terminated in the field

Maximum Continuous Maintenance Temperature: 150°F (65°C)
Intermittent Exposure Temperature Range: -20°F to 185°F (-29°C to 85°C)
Supply Voltage: 110-120 VAC or 208-277 VAC
Nominal Power Output at 50°F (10° C):

  • 3, 5, 8, 10 watts/ft (10, 16, 26, 33 watts/m)
  • For 208 and 277 VAC, adjust watts shown for the 240 VAC cable using the Voltage Adjustment Factors chart

Bus Wires: 16 AWG nickel coated copper wire
Braid Resistance:

  • Tinned copper: 0.003 Ω/ft (0.009 Ω/m)
  • Stainless steel: 0.125 Ω/ft (0.410 Ω/m)

Bend Radius: 0.5 in (12 mm)

 

FM Approved

Ordinary Locations
Hazardous (Classified)
Locations Class I, Division 1† and 2, Groups B, C, D
Class II, Division 2, Groups F, G
Class III, Division 1† and 2
3, 5, 8 W/ft T6
10 W/ft T5

CSA

Ordinary Locations 130-03 (-G,-W, -S)
Hazardous (Classified) Locations
Class I, Division 1† and 2, Groups B, C, D
Class II, Division 1† and 2, Groups E, F, G
Class III, Division 1† and 2
3, 5, 8 W/ft T6
10 W/ft T5

Hazardous Locations
Ex e IIC T** II 2 GD Gb
Ex tb IIIC T**°C Db
**3, 5, 8 W/ft T5/T85°C
**10 W/ft T4/ T100°C

IECEx

Hazardous Locations
Ex e IIC T** II 2 Gb
Ex tb IIIC T**°C Db
**3, 5, 8 W/ft T5/T85°C
**10 W/ft T4/ T100°C

Approvals valid only when used with appropriate heating cable and installation accessories,
and installed in accordance with all applicable instructions, codes, and regulations.

†CI/D1 approval for BF only. Contact a BriskHeat representative for information on Division I hazardous location systems.

 

Start-up Temperature

Heating Cable  Circuit Breaker Size  50°F (0°C) 0°F (-18°C) -20°F (-29°C)
SLCAB3120 15 amp 300 (91) 200 (61) 180 (55)
  20 amp - 270 (82) 230 (70)
  30 amp - 330 (100) 330 (100)
SLCAB3240 15 amp 660 (201) 410 (125) 360 (110)
  20 amp - 560 (171) 480 (146)
  30 amp - 660 (201) 660 (201)
SLCAB5120 15 amp 230 (70) 150 (46) 130 (40)
  20 amp 270 (82) 200 (61) 175 (53)
  30 amp - 270 (82) 260 (79)
SLCAB5240 15 amp 460 (140) 300 (91) 260 (79)
  20 amp 540 (164) 400 (122) 345 (105)
  30 amp - 540 (164) 520 (158)
SLCAB8120 15 amp 150 (46) 95 (29) 85 (26)
  20 amp 200 (61) 125 (38) 100 (30)
  30 amp 210 (64) 190 (58) 170 (52)
  40 amp - 210 (64) 210 (64)
SLCAB8240 15 amp 295 (90) 195 (59) 170 (52)
  20 amp 390 (119) 250 (76) 225 (68)
  30 amp 420 (128) 375 (114) 340 (104)
  40 amp - 420 (128) 420 (128)
SLCAB10120 15 amp 115 (35) 70 (21) 60 (18)
  20 amp 150 (46) 95 (29) 85 (26)
  30 amp 180 (55) 145 (44) 120 (36)
  40 amp - 180 (55) 165 (50)
SLCAB10240 15 amp 230 (70) 150 (46) 130 (40)
  20 amp 305 (93) 200 (61) 175 (53)
  30 amp 360 (110) 300 (91) 260 (79)
  40 amp - 360 (110) 360 (110)

 

Outer Layer Options

Product Type Description Nominal Dimensions [thickness x width] in (mm)  Shipping Weight: 500 ft (152 m) spool lbs (kg)  Purpose 
SLCAB-B Tinned Copper Metal Braid 0.2 x 0.4 (6 x 11) 40 (18) For use in dry environments
SLCAB-BP Tinned Copper Metal Braid with Thermoplastic Polyolefin Overjacket  0.3 x 0.6 (7 x 15) 48 (22)  For use in wet or weak chemical environments (i.e. weak acids) 
SLCAB-BF Tinned Copper Metal Braid with Fluoropolymer Overjacket  0.3 x 0.6 (7 x 15) 48 (22)  For use in strong chemical environments (i.e. strong acids)
SLCAB-SS Stainless Steel Metal Braid 0.2 x 0.4 (6 x 11)  40 (18)  More resistant to rust and corrosion than Tinned Copper Metal braid.

How Self-Regulating Cable Works

 

  • The semi-conductive core material contains a graphite network, which allows electricity to flow from one bus wire to the other. When the core is dense and colder, there are many paths for electricity to take through the graphite network, producing more heat.
  • Since the core material expands as it heats, the graphite network is elongated, disrupting some of the paths. More and more paths are disrupted as heating continues until the system reaches self-controlled thermal stability. When the core material cools, it contracts, reconnecting some of the electrical paths in the graphite network, and more equivalent heat is produced.
  • This temperature response occurs independently at each point along the heater. If an externally produced high temperature occurs next to a low temperature in the cable, each section of heating cable will adjust its own heat output in relation to its own local requirements.

What is self-regulating cable?

Self-regulating cable, also known as heat tape or heat trace, is a semi-flexible heating cable that automatically regulates its heat output based upon surface temperature and ambient conditions. It is often used for freeze protection applications to wrap or trace pipes, tanks, vessels, roofing, and much more.

What is a Class I/Division 1 environment?

Class I/Division 1 is an environment in which ignitable concentrations of flammable gases or vapors may exist under normal operating conditions, uring repair and maintenance, or where faulty equipment might release these flammable gasses or vapors.

Where do I find Class I /Division 1 environments?

Common industries include Oil, Hydrocarbon & Gas Exploration and Refining, Chemical Manufacturing/Processing, Paint Production, Mining, Coal Processing, and many more.

How much heat does selfregulating cable generate?

Depending upon model and wattage, heat output can vary greatly. Maximum operating temperatures range from 150°F to 392°F (65°C to 120°C), but because of the selfregulating design, actual temperatures are normally much lower.

What is the maximum allowable circuit length?

Depending on wattage, voltage, and circuit capacity, circuit lengths can range from 32 ft to 660 ft.

How do I select the best heating cable for my application?

BriskHeat provides, at no charge, a full-service heat-loss calculation and engineering support to make a recommendation based on the specifications of your application.

Do I need to insulate over the cable?

Yes, insulation is always recommended to maximize thermal performance and efficiency.

What insulation should I use with Self-Regulating heating cable?

Depending on the application, BriskHeat offers two types of insulation; Insul-Lock pre-formed foam insulation for pipe, and Silver-Series cloth insulators for pipe, valves, flanges, etc., as well as custom designed insulators. Contact BriskHeat to determine which best fits your requirements.

 

Catalog/Specifications Sheet
Approvals/Certificates
Brochure & Line Cards
pdf
(Size: 4.7 MB)
pdf
(Size: 564.1 KB)
Instruction Manuals
pdf
(Size: 5.6 MB)
Self Regulating Heating Cable Installation and Maintenance Instructions (11248-06)
Warranties
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