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Solid THHN/THWN-2 WireFrom $0.20/ft -
Solid THHN/THWN-2 WireFrom $0.20/ft - Solid THHN/THWN-2 WireFrom $0.20/ft
- Solid THHN/THWN-2 WireFrom $0.20/ft
Parent SKU : SRML18
SKU : SRML18-250
"The flexible choice for industrial motor leads and high-heat appliances—engineered with premium silicone rubber and a protective glass braid for maximum reliability up to 150°C."
The 18 AWG SRML wire is designed for environments where extreme heat and constant vibration are present. It is the primary choice for industrial motor leads, commercial ovens, and high-intensity lighting fixtures. The silicone rubber insulation provides exceptional flexibility, while the outer fiberglass braid protects the core from mechanical abrasion and heat damage.
150°C Heat Resistance: Rated for continuous use in extreme thermal environments from -60°C up to 150°C for UL applications, and capable of withstanding 200°C in specific industrial environments.
Extreme Flexibility: The silicone core and stranded tinned copper allow the wire to be snaked through tight motor housings without cracking or kinking.
Fiberglass Braid Protection: Features a heavy-duty glass braid treated with a high-temp finish impregnated with a moisture, heat, and flame-resistant compound.
Tinned Copper Conductor: Features a tin coating over the stranded copper to prevent corrosion and ensure high conductivity per ASTM B-33.
ENGINEERING OVERVIEW: 18 AWG SRML 600V
APPLICATION: Lighting fixtures, high wattage units (sun lamps), and motor lead wire.
VOLTAGE: Rated for 600 Volts.
CONDUCTORS: 16-strand soft drawn tinned coated copper per ASTM B-33 and B-8.
INSULATION: Extruded silicone rubber.
JACKET: Braided fiberglass with a high-temperature finish.
TEMPERATURE: 150°C (UL 3070)
NOMINAL OD: 0.121 inches (3.07 mm).
MIN BEND RADIUS: 0.97 inches.
Small Motor Leads: Connecting internal windings in small industrial motors and pumps.
Sun Lamps & Therapeutic Devices: Internal wiring for high-wattage units requiring high heat resistance.
Theatrical Lighting: Handling the high temperatures of stage and studio lighting fixtures.
Commercial Kitchen Appliances: Internal wiring for warmers, fryers, and small ovens.
Laboratory Equipment: Ideal for use in autoclaves and high-heat testing environments
The data shown is approximate and subject to standard industry and manufacturer tolerances. 8 AWG and 6 AWG are 150°C UL (200°C NonUL) 4 AWG and larger are 200°C UL * 250 MCM - 750 MCM are Constructed with K fiber, UL 3410, CSA: AWM Class 1, Group A/B.
| Wire Size (AWG/MCM) | 18 AWG |
| Conductor Material | Tinned Copper |
| Conductor Type | Stranded |
| Strand Count | 16 |
| Outer Diameter (OD) (in/mm) | 0.119 in. / 3.022 mm |
| Jacket Type | Fiberglass braid with a high temperature finish |
| Conductor Count | 1 |
| Shield | Unshielded |
| Insulation Type | Silicone Rubber |
| Voltage Rating | 600V |
| Ampacity Rating | 31 |
| Submersible | No |
| Flexibility Rating | Extremely High |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 150ºC |
| Standards | UL Style 3069 UL 3070 UL Style 3079 UL Style 3127 UL Style 3231 |
| Miscellaneous Information | The data shown are approximate and subject to standard industry and manufacturer tolerances 8 AWG and 6 AWG are 150°C UL (200°C NonUL) 4 AWG and larger are 200°C UL * 250 MCM - 750 MCM are Constructed with K fiber, UL 3410, CSA: AWM Class 1, Group A/B. |
| Primary Applications | Silicone Rubber Motor Lead wire is used in demanding, high-heat environments and for internal wiring within electrical equipment. |
| Common Uses |
|
| Weight per Foot | 0.012 lb |
In-stock orders placed before 3pm EST typically ship within 1-2 business days. Our business days are Monday through Friday; we do not process orders on Saturday, Sunday, or major US Holidays.
You will receive an e-mail with a tracking number within 1-2 business days from the time its shipped. You will also be able to view your order status and tracking numbers in your account order history.
Expedited shipments are delivered Monday-Friday except on US Holidays. The order must be placed before 12pm CST to ship same day ( Mon-Fri Only).
You have 30 days from the day you receive the item to contact us for a return. Returns are subject to a 30% Restocking Fee.
Please contact us at help@wireamerica.com to request a return authorization. Have your order number or name the order was placed with ready and we will email you an RMA (return) number and instructions for return. Currently, we do not offer exchanges. A new order must be placed if you need a different item. If you provide the new order number at the time of your return request, the restocking fee may be lowered.
Orders on any items with a material value of $50 or less are non-returnable.
Parent SKU : SRML18
SKU : SRML18-250
Parent SKU : SRML18
SKU : SRML18-250
"The flexible choice for industrial motor leads and high-heat appliances—engineered with premium silicone rubber and a protective glass braid for maximum reliability up to 150°C."
The 18 AWG SRML wire is designed for environments where extreme heat and constant vibration are present. It is the primary choice for industrial motor leads, commercial ovens, and high-intensity lighting fixtures. The silicone rubber insulation provides exceptional flexibility, while the outer fiberglass braid protects the core from mechanical abrasion and heat damage.
150°C Heat Resistance: Rated for continuous use in extreme thermal environments from -60°C up to 150°C for UL applications, and capable of withstanding 200°C in specific industrial environments.
Extreme Flexibility: The silicone core and stranded tinned copper allow the wire to be snaked through tight motor housings without cracking or kinking.
Fiberglass Braid Protection: Features a heavy-duty glass braid treated with a high-temp finish impregnated with a moisture, heat, and flame-resistant compound.
Tinned Copper Conductor: Features a tin coating over the stranded copper to prevent corrosion and ensure high conductivity per ASTM B-33.
ENGINEERING OVERVIEW: 18 AWG SRML 600V
APPLICATION: Lighting fixtures, high wattage units (sun lamps), and motor lead wire.
VOLTAGE: Rated for 600 Volts.
CONDUCTORS: 16-strand soft drawn tinned coated copper per ASTM B-33 and B-8.
INSULATION: Extruded silicone rubber.
JACKET: Braided fiberglass with a high-temperature finish.
TEMPERATURE: 150°C (UL 3070)
NOMINAL OD: 0.121 inches (3.07 mm).
MIN BEND RADIUS: 0.97 inches.
Small Motor Leads: Connecting internal windings in small industrial motors and pumps.
Sun Lamps & Therapeutic Devices: Internal wiring for high-wattage units requiring high heat resistance.
Theatrical Lighting: Handling the high temperatures of stage and studio lighting fixtures.
Commercial Kitchen Appliances: Internal wiring for warmers, fryers, and small ovens.
Laboratory Equipment: Ideal for use in autoclaves and high-heat testing environments
The data shown is approximate and subject to standard industry and manufacturer tolerances. 8 AWG and 6 AWG are 150°C UL (200°C NonUL) 4 AWG and larger are 200°C UL * 250 MCM - 750 MCM are Constructed with K fiber, UL 3410, CSA: AWM Class 1, Group A/B.
| Wire Size (AWG/MCM) | 18 AWG |
| Conductor Material | Tinned Copper |
| Conductor Type | Stranded |
| Strand Count | 16 |
| Outer Diameter (OD) (in/mm) | 0.119 in. / 3.022 mm |
| Jacket Type | Fiberglass braid with a high temperature finish |
| Conductor Count | 1 |
| Shield | Unshielded |
| Insulation Type | Silicone Rubber |
| Voltage Rating | 600V |
| Ampacity Rating | 31 |
| Submersible | No |
| Flexibility Rating | Extremely High |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 150ºC |
| Standards | UL Style 3069 UL 3070 UL Style 3079 UL Style 3127 UL Style 3231 |
| Miscellaneous Information | The data shown are approximate and subject to standard industry and manufacturer tolerances 8 AWG and 6 AWG are 150°C UL (200°C NonUL) 4 AWG and larger are 200°C UL * 250 MCM - 750 MCM are Constructed with K fiber, UL 3410, CSA: AWM Class 1, Group A/B. |
| Primary Applications | Silicone Rubber Motor Lead wire is used in demanding, high-heat environments and for internal wiring within electrical equipment. |
| Common Uses |
|
| Weight per Foot | 0.012 lb |
In-stock orders placed before 3pm EST typically ship within 1-2 business days. Our business days are Monday through Friday; we do not process orders on Saturday, Sunday, or major US Holidays.
You will receive an e-mail with a tracking number within 1-2 business days from the time its shipped. You will also be able to view your order status and tracking numbers in your account order history.
Expedited shipments are delivered Monday-Friday except on US Holidays. The order must be placed before 12pm CST to ship same day ( Mon-Fri Only).
You have 30 days from the day you receive the item to contact us for a return. Returns are subject to a 30% Restocking Fee.
Please contact us at help@wireamerica.com to request a return authorization. Have your order number or name the order was placed with ready and we will email you an RMA (return) number and instructions for return. Currently, we do not offer exchanges. A new order must be placed if you need a different item. If you provide the new order number at the time of your return request, the restocking fee may be lowered.
Orders on any items with a material value of $50 or less are non-returnable.
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Physical Specifications
Technical Specifications
Usage & Installation:
Packaging & Dimensions:
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SRML stands for Silicone Rubber Motor Lead wire. It is specifically designed for the harsh, high-vibration, and high-heat conditions found inside industrial motors and commercial heating appliances.
SRML wire is dual-rated for temperature performance. It carries a 150°C (302°F) rating for UL-certified applications (such as UL 3070 or UL 3231).
SRML is primarily used for motor lead wire, lighting fixtures, and high wattage units like sun lamps. Because of its flexibility and heat resistance, it is also the standard choice for control and power circuits in abrasive or high-temperature industrial environments.
The main differences are Flexibility and Heat. SRML is much more flexible and features a silicone rubber core with a protective fiberglass jacket. It is also rated for much higher temperatures (150°C-200°C) compared to SIS (125°C).
Yes. The silicone rubber insulation is suitable for moisture, UV, and ozone exposure. Additionally, the fiberglass jacket is impregnated with a moisture-resistant compound to enhance durability in damp settings.
Yes. SRML uses soft drawn tinned coated copper conductors per ASTM B-33. The tin coating prevents oxidation at high temperatures, which is critical for maintaining conductivity in motor and apparatus lead applications.
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