From $0.20/ft
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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 : SRML1
SKU : SRML1-250
"The flexible choice for heavy-duty industrial power—engineered with premium silicone rubber and a protective glass braid for maximum reliability up to 200°C."
The 1 AWG SRML wire is engineered for high-amperage industrial applications where extreme thermal stress and constant mechanical vibration are the norms. It is the premier choice for large motor leads and heavy-duty industrial apparatus. The specialized silicone rubber core remains flexible in freezing temperatures as low as -60°C and maintains its integrity in heat up to 200°C.
-60°C to 200°C Heat Resistance: Rated for continuous use in extreme thermal environments up to 600 volts, providing a higher thermal ceiling for heavy-duty power circuits.
High-Strand Flexibility: With 259 individual strands of tinned copper, this 1 AWG wire offers a significantly tighter bend radius than standard building wire, making it easier to install in cramped enclosures.
Tough Fiberglass Jacket: The outer braid is impregnated with a flame, heat, and moisture-resistant compound, providing a rugged defense against abrasion.
Tinned Copper Conductor: Soft-drawn tinned copper prevents the oxidation that leads to terminal failure in high-heat settings.
ENGINEERING OVERVIEW: 1 AWG SRML 600V
APPLICATION: Heavy industrial motor leads, smelting equipment, and high-wattage power circuits.
VOLTAGE: 600 Volts.
CONDUCTORS: 259-strand soft-drawn tinned copper (ASTM B-33/B-8).
INSULATION: Extruded silicone rubber.
JACKET: Braided fiberglass with a high-temperature finish.
TEMPERATURE: 200°C (392°F).
NOMINAL OD: 0.533 inches (13.54 mm).
MIN BEND RADIUS: 4.26 inches.
Primary Power Feeds: Connecting high-horsepower motors in industrial manufacturing plants.
Smelting & Foundry Equipment: Reliable power distribution for machinery operating near molten metal and extreme radiant heat.
Large-Scale Induction Furnaces: Providing main power connections for industrial kilns and heat-treatment units.
Heavy-Duty HVAC Units: Internal wiring for large-scale industrial heating and cooling systems.
Renewable Energy Systems: Used in specialized high-temp power circuits for geothermal and solar-thermal equipment.
Technical Note: All values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyer’s responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes.
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) | 1 AWG |
| Conductor Material | Tinned Copper |
| Conductor Type | Stranded |
| Strand Count | 259 |
| Outer Diameter (OD) (in/mm) | 0.53 in. / 13.462 mm |
| Jacket Type | Fiberglass braid with a high temperature finish |
| Conductor Count | 1 |
| Shield | Unshielded |
| Insulation Type | Silicone Rubber |
| Voltage Rating | 600V |
| Ampacity Rating | 285 |
| Submersible | No |
| Flexibility Rating | Medium |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 200ºC |
| Standards | UL Style 3069 UL Style 3079 UL Style 3127 UL Style 3231 UL Style 3278 |
| 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 | 0.355 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 : SRML1
SKU : SRML1-250
Parent SKU : SRML1
SKU : SRML1-250
"The flexible choice for heavy-duty industrial power—engineered with premium silicone rubber and a protective glass braid for maximum reliability up to 200°C."
The 1 AWG SRML wire is engineered for high-amperage industrial applications where extreme thermal stress and constant mechanical vibration are the norms. It is the premier choice for large motor leads and heavy-duty industrial apparatus. The specialized silicone rubber core remains flexible in freezing temperatures as low as -60°C and maintains its integrity in heat up to 200°C.
-60°C to 200°C Heat Resistance: Rated for continuous use in extreme thermal environments up to 600 volts, providing a higher thermal ceiling for heavy-duty power circuits.
High-Strand Flexibility: With 259 individual strands of tinned copper, this 1 AWG wire offers a significantly tighter bend radius than standard building wire, making it easier to install in cramped enclosures.
Tough Fiberglass Jacket: The outer braid is impregnated with a flame, heat, and moisture-resistant compound, providing a rugged defense against abrasion.
Tinned Copper Conductor: Soft-drawn tinned copper prevents the oxidation that leads to terminal failure in high-heat settings.
ENGINEERING OVERVIEW: 1 AWG SRML 600V
APPLICATION: Heavy industrial motor leads, smelting equipment, and high-wattage power circuits.
VOLTAGE: 600 Volts.
CONDUCTORS: 259-strand soft-drawn tinned copper (ASTM B-33/B-8).
INSULATION: Extruded silicone rubber.
JACKET: Braided fiberglass with a high-temperature finish.
TEMPERATURE: 200°C (392°F).
NOMINAL OD: 0.533 inches (13.54 mm).
MIN BEND RADIUS: 4.26 inches.
Primary Power Feeds: Connecting high-horsepower motors in industrial manufacturing plants.
Smelting & Foundry Equipment: Reliable power distribution for machinery operating near molten metal and extreme radiant heat.
Large-Scale Induction Furnaces: Providing main power connections for industrial kilns and heat-treatment units.
Heavy-Duty HVAC Units: Internal wiring for large-scale industrial heating and cooling systems.
Renewable Energy Systems: Used in specialized high-temp power circuits for geothermal and solar-thermal equipment.
Technical Note: All values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyer’s responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes.
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) | 1 AWG |
| Conductor Material | Tinned Copper |
| Conductor Type | Stranded |
| Strand Count | 259 |
| Outer Diameter (OD) (in/mm) | 0.53 in. / 13.462 mm |
| Jacket Type | Fiberglass braid with a high temperature finish |
| Conductor Count | 1 |
| Shield | Unshielded |
| Insulation Type | Silicone Rubber |
| Voltage Rating | 600V |
| Ampacity Rating | 285 |
| Submersible | No |
| Flexibility Rating | Medium |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 200ºC |
| Standards | UL Style 3069 UL Style 3079 UL Style 3127 UL Style 3231 UL Style 3278 |
| 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 | 0.355 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.
Get notified when this product is back in stock
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 high-vibration and high-heat conditions found inside industrial motors and heavy appliances.
For 1 AWG SRML, the minimum bend radius is 4.26 inches. Because of the high strand count (259 strands), this wire is much easier to manipulate in tight junction boxes than standard 1 AWG building wire, which is significantly stiffer.
Yes. 1 AWG SRML is frequently used in foundries and smelting plants because the silicone insulation and fiberglass braid are designed to withstand the extreme radiant heat and abrasive conditions common in those facilities.
The main difference is Temperature and Material. SRML (200°C) is highly flexible due to its silicone rubber insulation. TGGT (250°C) is rated for higher heat but is generally less flexible because it uses Teflon and glass tapes instead of extruded rubber.
Standard THHN wire is rated for only 90°C. Our 200°C SRML can handle more than double the thermal load, preventing the insulation from melting or becoming brittle in "hot zones" where standard wire would fail almost immediately.
1 AWG SRML Wire carries an ampacity rating of 285 amps.
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