
VW-1 SIL-A-BLEND® 250
HIGH-TEMPERATURE LEAD WIRE
Ratings/Approvals:
- 250°C – 600 Volts – UL Style 3637 / CSA AWM Class I A/B FT1
- UL VW-1 Flame Rated
- RoHS Compliant
Construction:
- Conductors
- 22 AWG – 8 AWG
- Stranded nickel-plated copper – 2%
(Other conductor materials available)
- Insulating System
- Composite Extruded Silicone Rubber with intermediate fiberglass reinforcement
- Separator tape between conductor and silicone on select sizes (Not shown in illustration)
- Standard Color Coding
- Available in All Colors
Characteristics:
- Outperforms Braided Silicone products
- Eliminates braid fraying, flowering, and shrink back
- Virtually eliminates skin irritation
- Significantly reduces airborne fiberglass contaminants traditionally found in high volume processing
- Superior flexibility
- Color stable at elevated temperatures
- LSZH: Low Smoke Zero Halogen
- Silicone formulations suitable for UV, ozone, moisture exposure
- Not suited for immersed applications
- Suitable for applications to -60°C
- PFAS-Free
Recommended replacement for glass braided silicone
SPECIFICATIONS

VW-1 SIL-A-BLEND® 250
HIGH-TEMPERATURE LEAD WIRE
Download VW-1 SIL-A-BLEND® 250 Specs
SIL-A-BLEND® 250C/600V
Part No. | Temp Rating | Voltage Rating | Awg. Size | # Strands | Final O.D. (in) | Final O.D. (mm) | Wgt. (lbs/Mft) | Wgt. (kg/km) | Min. Bend Radius (in) | UL | CSA |
---|---|---|---|---|---|---|---|---|---|---|---|
NMV22P007 | 250C | 600V | 22 NPC 2% | 7 | 0.103 | 2.62 | 6.60 | 9.82 | 0.82 | 3637 | AWM I A/B FT1 |
NMV20P007 | 250C | 600V | 20 NPC 2% | 7 | 0.107 | 2.72 | 7.82 | 11.64 | 0.86 | 3637 | AWM I A/B FT1 |
NMV18P019 | 250C | 600V | 18 NPC 2% | 19 | 0.118 | 3.00 | 10.63 | 15.82 | 0.94 | 3637 | AWM I A/B FT1 |
NMV16P026 | 250C | 600V | 16 NPC 2% | 26 | 0.129 | 3.28 | 14.40 | 21.43 | 1.03 | 3637 | AWM I A/B FT1 |
NMV14P041 | 250C | 600V | 14 NPC 2% | 41 | 0.141 | 3.58 | 19.67 | 29.27 | 1.13 | 3637 | AWM I A/B FT1 |
NMV12P065 | 250C | 600V | 12 NPC 2% | 65 | 0.165 | 4.19 | 28.99 | 43.14 | 1.32 | 3637 | AWM I A/B FT1 |
NMV10P105 | 250C | 600V | 10 NPC 2% | 105 | 0.215 | 5.46 | 47.49 | 70.68 | 1.72 | 3637 | AWM I A/B FT1 |
NMV08P133 | 250C | 600V | 8 NPC 2% | 133 | 0.262 | 6.65 | 70.91 | 105.53 | 2.10 | 3637 | AWM I A/B FT1 |
Standard conductor: Nickel Plated Copper – 2%
Consult factory for alternative conductor and stranding options.
All dimensions listed above are nominal
Compliance: UL Listed File No. E22244. CSA Certfied File No. LL13427 or LL80670