ABB | REF611 | Feeder Protection and Control

SKU: REF611
  • Manufacturer: ABB

  • Product No.: REF611

  • Condition:In stock

  • Product Type: Feeder Protection and Control

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 800g

  • Shipping port: Xiamen

  • Warranty: 12 months

Overview

The REF611 is a feeder relay for protection, control, measurement, and supervision of utility substations and industrial power systems. It supports radial, looped, and meshed networks, with or without distributed power generation. As part of ABB’s Relion® product family, it features a compact design and withdrawable-unit construction.


Physical Hardware

Main Unit Slot ID Options:

  • Plug-in Unit
    HMI: 4 lines, 16 characters

  • X100 Auxiliary Power/BO Module
    Input: 48...250 V DC / 100...240 V AC; or 24...60 V DC
    Outputs: 2 normally-open PO contacts, 1 change-over SO contact, 1 normally-open SO contact, 2 double-pole PO contacts with TCS, 1 internal fault contact

  • X120 AI/BI Module

    • Configuration A: 3-phase current inputs (1/5 A), 1 residual current input (1/5 A or 0.2/1 A), 1 residual voltage input (60...120 V), 3 binary inputs
    • Configurations B & C: 3-phase current inputs (1/5 A), 1 residual current input (1/5 A or 0.2/1 A), 4 binary inputs
  • X130 Optional BI/O Module

    • Configuration B & C: 6 binary inputs, 3 SO contacts
  • AI/BI Module (Configuration C only)
    3-phase voltage inputs (60...210 V), 1 residual voltage input (60...210 V), 4 binary inputs

  • X000 Optional Communication Module
    Details available in the technical manual


LEDs

  • Protection Indicators: Ready, Start, Trip (above the display)
  • Programmable LEDs: 8 total, configurable via LHMI, WHMI, or PCM600

Keypad

  • Push Buttons:
    • Navigate views and menus
    • Control primary circuit objects (circuit breakers, contactors, disconnectors)
    • Acknowledge alarms, reset indications, and switch between local/remote modes
Order and Warranty Information

Terms of Purchase and Returns

Detailed guidelines on minimum order quantity, delivery times, payment options, warranty, and return policies.

We gladly accept bulk orders, with a minimum order quantity of just one unit.

Upon request, we can provide all necessary documents, including Certificates of Origin/Conformance and other required export paperwork.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% payable before shipment. For RMB transfers, please contact us if you have an agent in China.

All new and original items come with a standard one-year warranty. For extended warranty options, feel free to contact us for pricing details.

We prioritize your satisfaction. If you need to return an item, it must be done within 30 days of purchase. The product must be unused, unopened, and in its original packaging, including all accessories. Refunds will be processed within 5-7 business days of receiving the return. Please note, shipping and handling charges are non-refundable.

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