Product Details
The ABB DSSR 116 48990001-FK, also cataloged as the DSSR 116 Power Supply Module, operates as a dedicated hardware component for internal bus power distribution and voltage stabilization within ABB control subrack systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DSSR 116 |
| Part Number | 48990001-FK (DSSR-116) |
| Brand | ABB |
| Product Type | Power Supply Modules |
| Origin | Sweden |
| Weight | 1.70 kg (3.75 lbs) |
| Dimensions | Standard subrack slot mount width |
| Operating Temp | 0 to +55 deg C |
| Power Consumption | Regulated bus power delivery output |
| Status Display | LED indication panel on front plate |
| Mounting Method | Slot mount chassis integration |
Backplane Bus Power Integration and High I/O Density Scaling
The unit interfaces directly with the chassis backplane power rails to convert and regulate primary DC supply feeds for adjacent controller and I/O cards. High I/O density scaling relies on stable voltage outputs provided across the subrack. The integrated power control circuitry maintains backplane bus communication velocity and signal integrity by suppressing high-frequency ripple and transient voltage spikes across processing slots.
Frequently Asked Questions
Q: Does the DSSR 116 power supply module support hot-swap insertion during subrack operation?
A: No, system power feeds must be isolated and de-energized prior to inserting or removing the DSSR 116 unit to prevent voltage spikes across backplane power contacts.
Q: How are power bus fault conditions visually identified on the module?
A: Front-panel LED indicators display real-time operational status and alert technicians to supply voltage drops or system power fault conditions.
Q: How is thermal dissipation managed during continuous load conditions?
A: Heat dissipation relies on natural vertical convection through the perforated chassis enclosure; cabinet ventilation clearance must be maintained above and below the slot.
Field Installation Guidelines
- Isolate primary supply power prior to inserting or extracting the DSSR 116 module from the subrack slot.
- Align the top and bottom card guides carefully to ensure proper alignment with the rear power distribution bus.
- Slide the 1.70 kg module firmly into the card cage until the rear power connectors seat fully into the backplane receptacle.
- Fasten all front panel retaining screws to secure mechanical lock and establish frame earth ground contact.
- Keep high-voltage field wiring separated from adjacent low-voltage backplane communication lines by at least 200 mm.
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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