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The B&R X20PS4951 is a x20 power supply module. The listed technical data shows rated IP20, based on the manufacturer's datasheet. It is supplied by SHLY-PLC, an independent industrial-automation distributor: every unit is visually inspected and functionally checked before dispatch, held in ready stock and shipped worldwide for maintenance, spares and retrofit use. Share your application or existing part number and our team will confirm fitment and comparable in-stock alternatives.
Technical parameters compiled from the manufacturer data sheet and reference documentation.
| Technical Specifications | |
| Other | |
| System module | Power supply of 4 potentiometers with ±10 V |
| Module run/error | Yes, using LED status indicator and software |
| Bus | 0.01 W |
| Internal I/O | 1.8 W |
| CE | Yes |
| ATEX | Zone 2, II 3G Ex nA nC IIA T5 Gc IP20, Ta (see X20 user's manual) FTZÚ 09 ATEX 0083X |
| HazLoc | cCSAus 244665 Process control equipment for hazardous locations Class I, Division 2, Groups ABCD, T5 |
| DNV | Temperature: B (0 to 55°C) Humidity: B (up to 100%) Vibration: B (4 g) EMC: B (bridge and open deck) |
| LR | ENV1 |
| BV | EC33B Temperature: 5 - 55°C Vibration: 4 g EMC: Bridge and open deck |
| B&R ID code | 0x1F43 |
| Status indicators | Potentiometer power supply monitoring per channel, operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W] | - |
| +10 V | ±0.12% at 25°C |
| -10 V | ±0.21% at 25°C |
| 20 V | ±0.165% at 25°C |
| +10 V | ±0.00012 %/°C |
| -10 V | ±0.00032 %/°C |
| 20 V | ±0.00022 %/°C |
| Number of power supplies | 4 |
| Voltage | ±10 V |
| Load | Max. 20 mA per power supply channel |
| Short-circuit proof | Yes |
| Electrical isolation | Channel isolated from bus Channel not isolated from channel |
| Horizontal | Yes |
| 0 to 2000 m | No limitation |
| >2000 m | Reduction of ambient temperature by 0.5°C per 100 m |
| Degree of protection per EN 60529 | IP20 |
| Vertical mounting orientation | -25 to 50°C |
| Derating | See section "Derating". |
| Storage | -40 to 85°C |
| Operation | 5 to 95%, non-condensing |
| Note | Order 1x terminal block X20TB12 separately. Order 1x bus module X20BM11 separately. |
| Pitch | 12.5 +0.2 mm |
Model variants, options and firmware revisions can affect fitment. Before ordering the B&R X20PS4951 x20 power supply module, share your existing part number or project requirements and our team will cross-reference comparable in-stock B&R units and verify compatibility. This listing is provided by an independent industrial-automation distributor; brand names and part numbers are used for identification only.
A: Each X20PS4951 is inspected and functionally checked before sale. Contact us for the current stock condition and quantity.
A: In-stock orders placed before 14:00 ship the same business day. Standard worldwide delivery is about 5-8 business days, express shipping is available and orders over $500 ship free.
A: Yes. Share your existing part number or application and our technical team will verify compatibility and provide cross-references to comparable in-stock models.
X20PS4951 · Technical reference data · Independently supplied by SHLY-PLC
Place your order before 14:00 for earliest possible shipment handover. With round-the-clock transit operated by our partnered global logistics providers, parcels reach most international destinations following routine customs processing. Economy shipping takes 5–8 business days, while express delivery arrives in 5–8 business days, both subject to customs clearance progress.Shipping fees will be charged for all orders under USD 500, and the exact shipping cost will be determined and collected by our logistics carriers. Shipments to remote international regions will incur additional courier surcharges to offset extra cross-border transportation costs.
Factory warranty service is not applicable to this industrial control equipment, and extended warranty packages are not provided for this item.
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