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
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
- Availability
- Global
- Status
- Active
- Orderable items
- 1
Part numbers
RST 3U-226 is a product family. Each item number below is a separate orderable part — colour, put-up and length differ.
| Item # | Item Description | Cable Length | Rated Current | Order |
|---|---|---|---|---|
| 54921 | RST 3U-226/5 M | 5 m | 4 A | Order online |
Specifications
Information
| Product Family | Sensor / Actuator Connectors |
|---|---|
| Side 1 Product Sub Family | 1/2"-20UNF-2B |
| Connector Type | Cordset, single ended |
| Side 1 Type of Contact/Gender | Male |
| Connector Design | Straight |
| Number of Pins | 3 |
| Coding, Side 1 | U (1/2"-20UNF-2B) |
| Shielding Type | Unshielded |
| Attachment Type | Coupling Screw |
| Voltage Rating | 250 V |
| Rated Impulse Voltage | 2.5 kV |
| Operating Voltage | 230 V AC/DC |
| Current Rating | 4 A |
| Side 1 Contact Resistance | ≤ 10 mOhm |
| Insulation Resistance | ˃ 10^9 Ohm |
| Mating Cycles | ≤ 100 |
| Ambient Temperature (Operation)* | - 40 °C - + 90 °C |
| Protection Degree / IP Rating** | IP65, IP67 |
| Side 1 Pollution Degree | 3 acc. to DIN EN 60664-1 (VDE 0110-1) |
| Overvoltage Category | II acc. to DIN EN 60664-1 (VDE 0110-1) |
| Update and Revision | Revision Number: 0.74 Revision Date: 04-21-2026 |
Face View
| Pin 1 | brown |
|---|---|
| Pin 2 | blue |
| Pin 3 | green-yellow |
Materials
| Contact Base Material | CuZn |
|---|---|
| Side 1 Contact Plating | Cu/Au |
| Contact Bearer Material | TPU-GF |
| Contact Bearer Color | Yellow |
| Flammability Class (Contact Bearer) | UL 94 HB |
| Molded Body Material | TPU |
| Molded Body Color | Yellow |
| Flammability Class (Molded Body) | UL 94 HB |
| Attachment Material | CuZn |
| Attachment Plating | Nickel-plated |
Circuitry
| Fastening Torque (Attachment) | M 12x1: (50-60) Ncm, hand-tight |
|---|
Cable Data
| Cable Number | 226 |
|---|---|
| Conductor Size | 0.5 mm2 |
| Number of Wires | 3 |
| Minimal Bending Radius (Fixed Inst) | ˃ 5 x D |
| Minimal Bending Radius (Flexible Inst) | ˃ 10 x D |
| Cycles (Bending) | ˃ 5 M |
| Cycles (Torsion) | ˃ 5 M @ ± 360 °/1 m |
| Conductor Material | Cu |
| Cable Jacket Material | PUR |
| Cable Jacket Color | black |
| Cable Diameter D | ø 4.6 ± 0.20 mm |
| Wire Insulation Material | PP |
| Insulated Wire Diameter | ø 1.50 mm |
| Ambient Temperature (Fixed Installation) | - 50 °C - + 105 °C (UL: + 80 °C) |
| Ambient Temperature (Flex Installation) | - 25 °C - + 105 °C (UL: + 80 °C) |
| Ambient Temperature (Drag Chain Inst) | - 25 °C - + 60 °C |
| UL Cable Type | AWM: 20549 |
| Flammability Class (Cable Jacket) | DIN EN 50265-2-2, VDE 0482-265-2-2, IEC 60332-2-2, CSA FT2 |
| Cable Characteristics | Good microbes and hydrolysis resistance; Mainly plasticizer diffusion free; Exclusion of PVC and silicone; Coldness flexibility; Free of lacquer wetting disturbing substances |
Safety & Environmental Compliance
| RoHS Compliant | yes |
|---|
Resistances
| Halogenfree | yes |
|---|---|
| Oil Resistance | Good chemical and oil resistance |
Notes
| Note Derating | Notice derating |
|---|---|
| Protection Degree / IP Rating Note | ** only if mounted and locked in combination with Hirschmann / Lumberg Automation connector. |
| Note | Do not connect or disconnect under load. |
History
| Update and Revision | Revision Number: 0.74 Revision Date: 04-21-2026 |
|---|
Resources
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