The ABB 1VCF701842802, officially designated as the COM SPA (GLASS SMA) replacement component, operates as a specialized fiber-optic communication board. It is utilized primarily as a spare part within ABB Substation Automation and Protection frameworks, notably for the REF 542plus multi-functional feeder terminal and related RE500-series protection relays.
Hardware Specifications
Parameter
Specification
Product ID
1VCF701842802
ABB Type Designation
Certification Level 1 / COM SPA (GLASS SMA)
Brand
ABB (Substation Automation & Protection)
Country of Origin
Malaysia (MY)
Product Type
Spare Parts / Communication Sub-Module
Bus Interface Protocol
Proprietary ABB SPA Bus
Physical Media Type
Glass Fiber Optic Cable
Connector Interface
SMA (SubMiniature version A) fiber optic ports
Customs Tariff Number
85389091
Net / Gross Weight
0.24 kg (0.53 lbs)
Process Instrumentation and Fiber-Optic Data Transmission
The 1VCF701842802 serves as a physical-layer communication interface that converts internal electronic logic frames into optical signals for transmission over an industrial SPA bus network. By utilizing glass fiber-optic cabling paired with robust SMA thread-on connectors, the module provides reliable, high-speed data isolation. This optical link completely insulates the substation's secondary protection devices from severe electromagnetic interference (EMI), radio frequency interference (RFI), and high-voltage common-mode surges common in high-voltage switchgear environments.
