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Red 48V 1.74A Delta KFB1748SHT circular fan with four-wire connector and dual ball bearing

OEM Industries

OEM Industries KFB1748SHT 48V 1.74A Red 2 Ball 4 Wire Fan

SKU CH-52WC-AF4TH

A 48 V dual-ball-bearing fan with a four-wire connector designed for Ericsson BKV301216/129 R2E systems

  • ColorRed
  • TypeFan only
  • Bearing Type2 Ball
  • Power Connector4 Wires
  • LEDNon-LED
  • Runs at 48 V for stable telecom power input
  • Draws 1.74 A to match Ericsson BKV301216/129 R2E specs
  • Dual ball bearings extend operating life
  • Four-wire connector enables PWM speed control
  • Red frame identifies unit in dense rack installations

Direct Replacement Fan

The OEM Industries KFB1748SHT is a 48V DC circular cooler built for Ericsson BKV301216/129 R2E equipment. It serves technicians who need an exact match for the original Delta unit in telecom or industrial racks. The red housing and four-wire connector identify the correct variant at a glance.

Dual Ball Bearing Operation

Two ball bearings support the rotor for consistent rotation under continuous 1.74A load. The bearing choice reduces friction drift over long duty cycles and keeps acoustic output stable in normal rack airflow. Power draw stays within the 48V 1.74A rating without additional regulation.

Four Wire Control Interface

The four-wire lead provides tachometer feedback and PWM speed control to the host chassis management module. No LED lighting or extra adapters are included, so the installer connects directly to the existing header. Buyers needing a different voltage, connector pitch or frame size cannot use this model.

Highlights

  • Runs at 48 V for stable telecom power input
  • Draws 1.74 A to match Ericsson BKV301216/129 R2E specs
  • Dual ball bearings extend operating life
  • Four-wire connector enables PWM speed control
  • Red frame identifies unit in dense rack installations

Specifications

ModelKFB1748SHT
ColorRed
TypeFan only
Bearing Type2 Ball
Power Connector4 Wires
LEDNon-LED

Questions about this item

How is the 4-wire power connector attached to the Ericsson BKV301216/129 R2E unit?

Align the keyed 4-wire plug with the header on the Ericsson BKV301216/129 R2E board and press straight in until the latch clicks; the common mistake is forcing it offset by one pin, which bends the connector housing.

What maintenance will the 2 ball bearing assembly need over time?

The dual ball-bearing design is sealed and requires no lubrication; if acoustic noise or vibration increases after extended operation, replace the entire KFB1748SHT unit.

At what point does the 48V 1.74A input become the limiting factor during continuous running?

The fan draws a fixed 1.74 A at 48 V, so the supply’s current capacity is the first ceiling; sustained load beyond the rated 1.74 A will trigger the source’s protection before the motor overheats.

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