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DSSR 116 Power Supply Module 48990001-FK | ABBDSSR 116 Power Supply Module 48990001-FK | ABBDSSR 116 Power Supply Module 48990001-FK | ABB
DSSR 116 Power Supply Module 48990001-FK | ABB
DSSR 116 Power Supply Module 48990001-FK | ABB
DSSR 116 Power Supply Module 48990001-FK | ABB

DSSR 116 Power Supply Module 48990001-FK | ABB


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PRODUCT SKU : DSSR 116 48990001-FK

PRODUCT TYPE : Power Supply Modules

PRODUCT VENDOR : ABB


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

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

  1. Isolate primary supply power prior to inserting or extracting the DSSR 116 module from the subrack slot.
  2. Align the top and bottom card guides carefully to ensure proper alignment with the rear power distribution bus.
  3. Slide the 1.70 kg module firmly into the card cage until the rear power connectors seat fully into the backplane receptacle.
  4. Fasten all front panel retaining screws to secure mechanical lock and establish frame earth ground contact.
  5. 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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