Product Details
The ABB DSPU/41/952, also cataloged as the DSPU/41/952 Distributed Signal Processing Unit, operates as a dedicated hardware component for protection, control, and monitoring signal processing within IEC 61850 substation automation architectures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DSPU/41/950 (or DSPU/41/952) |
| Part Number | DSPU/41/952 |
| Brand | ABB |
| Origin | Sweden |
| Weight | 4.5 kg |
| Dimensions (L x W x H) | 483 mm x 178 mm x 76 mm (19 in rack mount) |
| Operating Temp | -25 to +55 deg C |
| Power Consumption | Universal power supply (90-300 VDC, 70-265 VAC, 48-62 Hz) |
| Communication Standard | IEC 61850 |
| Category | Distributed Signal Processing Unit |
Profinet / EtherNet/IP Deterministic Networks & Backplane Speed
The DSPU/41/952 integrates deterministic communication pipelines aligned with IEC 61850 substation networking standards. Processing real-time sampled values and GOOSE messaging frames, the unit enforces strict communication synchronization across field-level protective relays and supervisory systems. Internal firmware flash compatibility mechanisms ensure seamless configuration updates over high-speed Ethernet interfaces without degrading signal processing bandwidth or backplane message velocity.
Frequently Asked Questions
Q: What power supply input ranges are supported by the DSPU/41/952?
A: The integrated wide-range power supply operates on either direct current (90-300 VDC) or alternating current (70-265 VAC, 48-62 Hz).
Q: Does the unit conform to standard relay cabinet rack dimensions?
A: Yes. The DSPU/41/952 is constructed in a standard 19-inch rack-mount chassis measuring 483 mm x 178 mm x 76 mm.
Field Installation Guidelines
- Rack Mounting: Bolt the unit securely into a standard 19-inch instrument enclosure using all four front-panel mounting holes to manage the 4.5 kg unit weight.
- Earth Grounding: Connect a dedicated low-impedance ground conductor from the chassis earth terminal directly to the substation panel earth bar prior to powering the unit.
- Power Isolation: Ensure an external circuit breaker or disconnect switch is wired ahead of the 90-300 VDC / 70-265 VAC auxiliary supply lines for safe maintenance isolation.
- Network Cabling: Route IEC 61850 communication cables separately from primary current and voltage transformer secondary circuits to prevent high-voltage transient noise injection.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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