Belden Connectors
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Ships from and sold by A5 IT
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New, with full manufacturer warranty
Key Features
- Face View Pin 1: brown
- Face View Pin 2: blue
- Face View Pin 3: green-yellow
Belden 54921 is an orderable item number in the Belden RST 3U-226 family (Connectors › Industrial Connectors › Sensor Actuator Connectors). 1/2"-20UNF-2B Sensor/Actuator Single-Ended Cordset: Male, straight, 3-pin, U-coded, yellow body, 230 V AC/DC, 4 A; PUR black cable, 3-wires, 0.50 mm2 This item: Item Description RST 3U-226/5 M, Cable Length 5 m, Rated Current 4 A. Ships from and sold by A5 IT. Quoted to order.
Notes
| Note | Do not connect or disconnect under load. |
| 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: 0.74 Revision Date: 04-21-2026 |
Circuitry
| Fastening Torque (Attachment) | M 12x1: (50-60) Ncm, hand-tight |
Materials
| Molded Body Color | Yellow |
| Attachment Plating | Nickel-plated |
| Attachment Material | CuZn |
| Contact Bearer Color | Yellow |
| Molded Body Material | TPU |
| Contact Base Material | CuZn |
| Side 1 Contact Plating | Cu/Au |
| Contact Bearer Material | TPU-GF |
| Flammability Class (Molded Body) | UL 94 HB |
| Flammability Class (Contact Bearer) | UL 94 HB |
This Item
| Item Number | 54921 |
| Cable Length | 5 m |
| Rated Current | 4 A |
| Item Description | RST 3U-226/5 M |
Cable Data
| Cable Number | 226 |
| UL Cable Type | AWM: 20549 |
| Conductor Size | 0.5 mm2 |
| Number Of Wires | 3 |
| Cable Diameter D | ø 4.6 ± 0.20 mm |
| Cycles (Bending) | ˃ 5 M |
| Cycles (Torsion) | ˃ 5 M @ ± 360 °/1 m |
| Cable Jacket Color | black |
| Conductor Material | Cu |
| Cable Characteristics | Good microbes and hydrolysis resistance; Mainly plasticizer diffusion free; Exclusion of PVC and silicone; Coldness flexibility; Free of lacquer wetting disturbing substances |
| Cable Jacket Material | PUR |
| Insulated Wire Diameter | ø 1.50 mm |
| Wire Insulation Material | PP |
| Flammability Class (Cable Jacket) | DIN EN 50265-2-2, VDE 0482-265-2-2, IEC 60332-2-2, CSA FT2 |
| Minimal Bending Radius (Fixed Inst) | ˃ 5 x D |
| Ambient Temperature (Drag Chain Inst) | - 25 °C - + 60 °C |
| Minimal Bending Radius (Flexible Inst) | ˃ 10 x D |
| Ambient Temperature (Flex Installation) | - 25 °C - + 105 °C (UL: + 80 °C) |
| Ambient Temperature (Fixed Installation) | - 50 °C - + 105 °C (UL: + 80 °C) |
Information
| Mating Cycles | ≤ 100 |
| Coding, Side 1 | U (1/2"-20UNF-2B) |
| Connector Type | Cordset, single ended |
| Current Rating | 4 A |
| Number Of Pins | 3 |
| Product Family | Sensor / Actuator Connectors |
| Shielding Type | Unshielded |
| Voltage Rating | 250 V |
| Attachment Type | Coupling Screw |
| Connector Design | Straight |
| Operating Voltage | 230 V AC/DC |
| Face View — Pin 1 | brown |
| Face View — Pin 2 | blue |
| Face View — Pin 3 | green-yellow |
| Update And Revision | Revision Number: 0.74 Revision Date: 04-21-2026 |
| Overvoltage Category | II acc. to DIN EN 60664-1 (VDE 0110-1) |
| Insulation Resistance | ˃ 10^9 Ohm |
| Rated Impulse Voltage | 2.5 kV |
| 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 | 1/2"-20UNF-2B |
| Side 1 Type Of Contact/Gender | Male |
| Protection Degree / IP Rating** | IP65, IP67 |
| Ambient Temperature (Operation)* | - 40 °C - + 90 °C |
Resistances
| Halogenfree | yes |
| Oil Resistance | Good chemical and oil resistance |
Safety & Environmental Compliance
| RoHS Compliant | yes |
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