Brady M Series PermaSleeve Polyolefin Heat Shrink Wire Marking Sleeves 0.439" x 1" 3:1 Ratio Cartridge System

Brady M Series PermaSleeve Polyolefin Heat Shrink Wire Marking Sleeves 0.439" x 1" 3:1 Ratio Cartridge System

Professional Wire Identification & Insulation Protection

Brady M Series PermaSleeve heat shrink wire marking sleeves deliver reliable wire identification and insulation protection for electrical and cable labeling applications. These polyolefin sleeves feature a 3:1 heat shrinkable design that fits snugly around wires from 16 AWG to 8 AWG, providing maximum insulation protection and permanent identification. The all-in-one cartridge system includes both ribbon and label supply for seamless operation with BMP51 and BMP53 label printers.

Professional Features & Benefits

• 3:1 Heat Shrink Ratio: Provides secure fit around various wire sizes for maximum insulation protection and permanent marking retention.
• Wide Temperature Range (-67�F to 275�F): Cold resistant and flame-retardant construction ensures reliable performance in demanding environmental conditions.
• All-in-One Cartridge System: Includes ribbon and label supply in a single cartridge for efficient printer operation and reduced downtime.
• Fade-Resistant & Smudge-Proof: Superior aesthetic appearance with long-lasting print quality that maintains legibility over time.
• Multi-Resistant Properties: Chemical-resistant, corrosion-resistant, humidity-resistant, UV-resistant construction for harsh environment durability.
• Industry Compliance: Meets ASTM D 2671, ASTM E 162, MIL-STD-202, SAE-AMS-DTL-23053, and UL requirements for professional applications.
• BMP Printer Compatibility: Designed specifically for BMP51 and BMP53 label printers with thermal transfer print technology.

Technical Specifications

• Applications: Electrical Labeling; Wire and Cable Labeling
• Brady Material Number: B-342
• Bulk Part: Not a Bulk Part
• Ca Prop 65 Label Warning: WARNING: Cancer - www.P65warnings.ca.gov
• Ca Prop 65 Labeled: Yes
• Contains Ca Prop 65 Cancer Causing Chemical: Antimony Trioxide
• Contains Ca Prop 65 Substance: Yes Contains-Label required
• Contains Ca Prop 65 Warning Type: Cancer
• Contains Heavy Metal S : No - Does not contain
• Diagram: Icon 14 (v)
• Diameter As Supplied In Ft Yd : 0.25 in
• Diameter As Supplied Mm Cm M : 6.4 mm
• Dimensions 2: 0.439 in H x 1 in W
• Dimensions Metric : 25.78 mm W x 11.15 mm H
• Dot Regulated Product: No = not regulated by DOT
• Enables Industry Compliance: ASTM D 2671; ASTM E 162; ASTM E 662; ASTM G 155; MIL-STD-202; SAE-AMS-DTL-23053; SAE-AS-81531; UL R
• Eu Rohs Compliance: Pass 2011/65/EU(Pass 2015/863)
• Eu Rohs Compliant: Yes
• For Use With Printer: BMP�51 Label Printer; BMP�53 Label Printer
• Height In Ft Yd : 0.439 in
• Height Mm Cm M : 11.15 mm
• Label Media Format: Label/Media in Cartridge with Ribbon
• Label Properties: Heat Shrink Sleeves
• Manufacturer Part Number: M-250-1-342
• Material Properties: Flame-retardant; Heat-shrinkable
• Maximum Service Temperature C: 135 �C
• Maximum Service Temperature F: 275 �F
• Maximum Wire Diameter In Ft Yd : 0.215 in
• Maximum Wire Diameter Mm Cm M : 5.46 mm
• Maximum Wire Gauge: 8 AWG
• Minimum Service Temperature C: -55 �C
• Minimum Service Temperature F: -67 �F
• Minimum Wire Diameter In Ft Yd : 0.094 in
• Minimum Wire Diameter Mm Cm M : 2.39 mm
• Minimum Wire Gauge: 16 AWG
• Primary Noun Basic Function: Sleeve
• Print Technology: Thermal Transfer
• Printable Sides: Single-Side Printable
• Printer And Label Applications: Wire & Cable
• Printer Compatibility: BMP51; BMP53
• Printer Compatibility Print : BMP51
• Product Color: Black on White
• Product Dimensions: 0.439 in H x 1 in W
• Product Finish: Matte
• Product Material: Heat-shrink Polyolefin
• Product Shape: Rectangle
• Quantity Per Roll: 80
• Quantity Per Row: 1
• Resistance Properties: Chemical-Resistant; Corrosion-Resistant; Humidity-Resistant; Smear-Resistant; UV-Resistant; Weather
• Ribbon Color: Black
• Ribbon Series: R4300
• Roll Width In Ft Yd : 1 in
• Roll Width Mm Cm M : 25.4 mm
• Sap B Number: B-342
• Sds Safety Data Sheet Required: No = MSDS/SDS is not required
• Shrink Ratio: 3:01
• Sign Size General: 0.439 in x 1 in
• Size Width Mm : 25.78 mm
• Sleeve Size In Ft Yd : 0.25 in Dia x 1 in W
• Sleeve Size Mm Cm M : 6.4 mm Dia x 25.4 mm W
• Sleeve Width In Ft Yd : 1 in
• Sleeve Width Mm Cm M : 25.4 mm
• Software: LabelMark
• Tape Color: White
• Total Qty Per Pack: 80 Sleeve(s) / Box
• Total Quantity: 80
• Trade Name: M Series PermaSleeve�
• Width In Ft Yd : 1 in
• Wire Diameter Range: 0.094 in to 0.215 in
• Wire Gauge Range: 16 AWG to 8 AWG

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Electrical Panel Wire Identification
• Control Cabinet Wiring Systems
• Industrial Equipment Wire Marking
• Commercial Building Electrical Systems
• Telecommunications Cable Labeling
• Data Center Wire Management
• Manufacturing Facility Electrical Infrastructure

Why Choose Brady Quality?

Brady M Series PermaSleeve sleeves meet rigorous industry compliance standards including ASTM, MIL-STD, SAE, and UL requirements, ensuring reliable performance in professional electrical applications. The flame-retardant polyolefin construction and comprehensive resistance properties deliver long-lasting durability and identification clarity for critical wire marking applications.