Belden Connectors
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Key Features
- Face View Side 1 Pin 1: white (orange)
- Face View Side 1 Pin 2: orange
- Face View Side 1 Pin 3: white (green)
- Face View Side 1 Pin 4: green
- Face View Side 1 Pin 5: white (brown)
- Face View Side 1 Pin 6: brown
- Face View Side 1 Pin 7: white (blue)
- Face View Side 1 Pin 8: blue
Belden 26421 is an orderable item number in the Belden RSTS 8X-RSTS 8X-478 family (Connectors › Industrial Connectors › Data Connectors). Gigabit Ethernet Cat7 Data Double-Ended Cordset: Male straight X-coded black M12 Standard to male straight X-coded black M12 Standard, shielded, 50 V AC / 60 V DC, 0.5 A; PUR black cable, 8-wires, 4x2x0.14 mm2 This item: Item Description RSTS 8X-RSTS 8X-478/0,35 M. Ships from and sold by A5 IT. Quoted to order.
Notes
| Note Derating | Notice derating |
| Protection Degree / IP Rating Note | ** only if mounted and locked in combination with Hirschmann / Lumberg Automation connector. |
History
| Update And Revision | Revision Number: 0.59 Revision Date: 02-20-2026 |
Approvals
| UL | UL 1863; cULus |
| UL-File | E469096 |
This Item
| Item Number | 26421 |
| Item Description | RSTS 8X-RSTS 8X-478/0,35 M |
Cable Data
| Core Colors | Twisted pairs: white & blue, white & orange, white & green, white & brown |
| Foil Shield | Al-PT Foil |
| Cable Number | 478 |
| UL Cable Type | AWM: 21327 |
| Conductor Size | 4x2x0.14 mm2 |
| Number Of Wires | 8 |
| Cable Diameter D | ø 6.8 ± 0.3 mm |
| Cycles (Bending) | ˃ 0.2 M |
| Cable Jacket Color | black |
| Conductor Material | Cu |
| Cable Jacket Material | PUR |
| Overall Shield (Cable) | Cu-ETP1 tinned |
| Insulated Wire Diameter | ø 1.05 ± 0.05 mm |
| Wire Insulation Material | PE |
| Minimal Bending Radius (Fixed Inst) | ˃ 30 mm |
| Minimal Bending Radius (Flexible Inst) | ˃ 65 mm |
| Ambient Temperature (Flex Installation) | 0 °C - +50 °C |
| Ambient Temperature (Fixed Installation) | - 40 °C - + 80 °C |
Information
| Connector Type | Cordset, double ended |
| Current Rating | 0.5 A |
| Product Family | Data Connectors |
| Shielding Type | Shielded |
| Voltage Rating | 60 V |
| Operating Voltage | 50 V AC / 60 V DC |
| Rated Voltage UL | 30 V AC / 60V DC |
| Rated Current UL | 0.5 A |
| Update And Revision | Revision Number: 0.59 Revision Date: 02-20-2026 |
| Rated Impulse Voltage | 0.8 kV |
| Data Transmission Rate | 10 Gbit/s |
| Data Transmission Type | Gigabit Ethernet Cat7 |
| Face View Side 1 — Pin 1 | white (orange) |
| Face View Side 1 — Pin 2 | orange |
| Face View Side 1 — Pin 3 | white (green) |
| Face View Side 1 — Pin 4 | green |
| Face View Side 1 — Pin 5 | white (brown) |
| Face View Side 1 — Pin 6 | brown |
| Face View Side 1 — Pin 7 | white (blue) |
| Face View Side 1 — Pin 8 | blue |
| Face View Side 2 — Pin 1 | white (orange) |
| Face View Side 2 — Pin 2 | orange |
| Face View Side 2 — Pin 3 | white (green) |
| Face View Side 2 — Pin 4 | green |
| Face View Side 2 — Pin 5 | white (brown) |
| Face View Side 2 — Pin 6 | brown |
| Face View Side 2 — Pin 7 | white (blue) |
| Face View Side 2 — Pin 8 | blue |
Resistances
| Halogenfree | IEC 60754-2 |
| Oil Resistance | IEC 60811-2-1 |
Technical Data Side 1
| Note | Do not connect or disconnect under load. |
| Mating Cycles | ≤ 100 |
| Coding, Side 1 | X |
| Number Of Pins | 8 |
| Attachment Type | Coupling Screw |
| Connector Design | Straight |
| Molded Body Color | Black |
| Attachment Plating | Nickel-plated |
| Shielding Material | GD-Zn, nickel-plated |
| Attachment Material | CuZn |
| Contact Bearer Color | Black |
| Molded Body Material | PA |
| Overvoltage Category | II acc. to DIN EN 60664-1 (VDE 0110-1) |
| Contact Base Material | CuZn |
| Insulation Resistance | ˃ 10^9 Ohm |
| Side 1 Contact Plating | Cu/Au |
| Side 1 Design Standard | IEC 61076-2-109 |
| Contact Bearer Material | PA |
| Side 1 Pollution Degree | 3 acc. to DIN EN 60664-1 (VDE 0110-1) |
| Side 1 Contact Resistance | ≤ 10 mOhm |
| Side 1 Product Sub Family | M12 Standard |
| Operating Temperature UL | max. + 55 °C |
| Fastening Torque (Attachment) | M 12x1: (50-60) Ncm, hand-tight |
| Side 1 Type Of Contact/Gender | Male |
| Protection Degree / IP Rating** | IP65, IP67 |
| Ambient Temperature (Operation)* | - 40 °C - + 80 °C |
| Flammability Class (Molded Body) | UL 94 V-0 |
| Flammability Class (Contact Bearer) | UL 94 V-0 |
Technical Data Side 2
| Coding, Side 2 | X |
| Mating Cycles, Side 2 | ≤ 100 |
| Number Of Pins, Side 2 | 8 |
| Attachment Type, Side 2 | Coupling Screw |
| Contact Plating, Side 2 | Cu/Au |
| Design Standard, Side 2 | IEC 61076-2-109 |
| Connector Design, Side 2 | Straight |
| Pollution Degree, Side 2 | 3 acc. to DIN EN 60664-1 (VDE 0110-1) |
| Molded Body Color, Side 2 | Black |
| Side 2 Product Sub Family | M12 Standard |
| Attachment Plating, Side 2 | Nickel-plated |
| Contact Resistance, Side 2 | ≤ 10 mOhm |
| Shielding Material, Side 2 | GD-Zn, nickel-plated |
| Attachment Material, Side 2 | CuZn |
| Contact Bearer Color, Side 2 | Black |
| Molded Body Material, Side 2 | PA |
| Overvoltage Category, Side 2 | II acc. to DIN EN 60664-1 (VDE 0110-1) |
| Contact Base Material, Side 2 | CuZn |
| Insulation Resistance, Side 2 | ˃ 10^9 Ohm |
| Side 2 Type Of Contact/Gender | Male |
| Contact Bearer Material, Side 2 | PA |
| Operating Temperature UL Side 2 | max. + 55 °C |
| Fastening Torque (Attachment), Side 2 | M 12x1: (50-60) Ncm, hand-tight |
| Protection Degree / IP Rating, Side 2** | IP65, IP67 |
| Ambient Temperature (Operation), Side 2* | - 40 °C - + 80 °C |
| Flammability Class (Molded Body), Side 2 | UL 94 V-0 |
| Flammability Class (Contact Bearer), Side 2 | UL 94 V-0 |
Safety & Environmental Compliance
| RoHS Compliant | yes |
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