Alarm Annunciator Panel

Centralized fault and status annunciation devices for protection, control, GIS/LCC, switchgear, and power-automation panels, integrating multi-channel signal acquisition, visual and audible alarms, contact expansion, event handling, and remote communication.

Product Capability

A configurable annunciation platform that centralizes abnormal-signal acquisition, local alarm indication, operator acknowledgement, relay-output expansion, event traceability, and system communication.

Multi-channel signal acquisition: centralizes fault, status, position, protection-action, auxiliary-power, temperature, and other discrete alarm signals that would otherwise be distributed across individual lamps and relays.
Clear visual and audible annunciation: provides centralized indication and alarm presentation so operators can identify abnormal conditions quickly; color, lamp behavior, and horn logic are configurable on applicable series.
Operator alarm handling: supports functions such as acknowledgement, test, reset, recall, silencing, and alarm-state management according to the selected product series and project alarm philosophy.
Relay and contact expansion: supports remote dry-contact outputs for total alarms, individual alarms, or downstream signaling. SFA610 and SAD provide modular expansion approaches for projects requiring additional relay outputs.
Communication integration: applicable products support Modbus-based remote status communication; SAD can also be customized for IEC 61850 integration where required by the project.
Software-configurable alarm logic: SAD allows channel-level configuration of signal type, lamp color, alarm mode, signal delay, and horn activation logic, with parameter import and export for repeated projects.
• Modular cabinet architecture: SFA610 separates the DIN-rail main control unit from the door-mounted display, using a pre-terminated communication cable to reduce door-control wiring and simplify assembly.
Scalable product coverage: SFA600 addresses compact local alarm applications, SFA610 addresses modular GIS/LCC alarm architectures, and SAD addresses higher-channel-count, communication-rich annunciation systems.
Broad application coverage: suitable for protection and control panels, GIS/LCC cabinets, medium-voltage switchgear, ring-main units, transformer auxiliary/cooling panels, substations, power plants, and critical industrial control cabinets.

Customer Value

Make alarms easier to identify, wire, standardize, communicate, and maintain while reducing scattered indicators, auxiliary relays, duplicated signaling, and cabinet-door wiring.

Faster fault recognition: centralized visual and audible indication helps operators distinguish abnormal states quickly and respond with less ambiguity.
Cleaner panel design: replaces multiple discrete indicator lamps, intermediate relays, and duplicated remote-signal circuits with a purpose-built annunciation architecture.
Lower wiring and commissioning workload: modular signal acquisition, relay outputs, and pre-terminated interconnections reduce manual door wiring and shorten point-to-point checking.
Better traceability: recall functions, configurable alarm logic, and event-history functions on applicable series make it easier to reconstruct what happened during operation and troubleshooting.
More consistent project replication: software configuration and modular channel structures help standardize FAT, parameter templates, cabinet assembly, site commissioning, and spare-parts planning across repeated panels.
Flexible local and remote signaling: customers can combine local indication with total alarm, individual relay outputs, RS485/Modbus communication, and project-specific digital-substation interfaces.
Scalable investment: select a compact local annunciator for modest point counts or move to modular / intelligent platforms as channel count, remote outputs, communication, and event-management requirements increase.

Product Series

Product series are configured according to users' usage and configuration preferences.

SFA600 Series

Compact local fault annunciator

For low- to medium-point-count local fault and status indication. It is suited to cabinet-level centralized alarm display, color-classified indication, buzzer / operator handling, and optional contact expansion according to the selected model and project configuration.

SFA610 Series

Modular 16-channel GIS/LCC fault alarm unit

A modular C + M architecture with a DIN-rail main control module and door-mounted display. The base system provides 16 alarm channels, 16 digital inputs and 16 relay outputs; an E expansion module can extend relay-output capacity to 32. Modbus communication and event history support remote management and maintenance.

SAD Series

Intelligent multi-channel fault annunciator

For higher-channel-count annunciation and communication requirements. Current ODES material supports 16 / 32 / 48 / 64-channel configurations, six lamp colors, software-configurable channel logic, RS485-Modbus communication, cascade 1:1 relay-output expansion, and optional IEC 61850 customization.

View technical parameters by product series.

SFA600 Series - Compact Local Fault Annunciator

Parameter(SFA600)	Data(SFA600)	Remarks(SFA600)
Product series	SFA600 Series	Compact cabinet-level fault / status annunciator family.
Primary function	Local centralized fault, status, position, and protection-action indication	Designed for projects where local annunciation is the primary requirement.
Typical channel capacity	4-24 channels depending on configuration	ODES product-capability material describes domestic alarm units across this range; confirm the current model / suffix before release.
Alarm presentation	Multi-window visual indication with project-defined alarm classification	Exact lamp colors and indication sequence depend on the selected configuration.
Audible alarm	Supported according to model / project configuration	Confirm buzzer / horn interface and silence logic for the selected variant.
Operator functions	Acknowledge / silence / test / reset / recall as configured	Exact key set and sequence logic are model dependent.
Contact outputs	Optional total and / or expanded alarm contacts	Confirm output quantity, NO / NC arrangement, and contact rating in the current datasheet.
Communication	Model / project dependent	SFA600 is primarily positioned for local low- / medium-point annunciation; use SFA610 or SAD where richer communication is required.
Typical applications	GIS/LCC cabinets, switchgear, control panels, transformer auxiliary / cooling panels	Best suited to compact local alarm-display tasks.
Auxiliary supply	Model / suffix dependent	Confirm rated AC / DC supply and tolerance from the current manual.
Input electrical characteristics	Model / suffix dependent	Confirm wet / dry contact logic, input voltage, and common-terminal arrangement before design freeze.
Mounting / dimensions	Model-specific panel mounting	Confirm cutout, depth, terminal orientation, and outline drawing for the selected unit.
Environmental / EMC	Refer to latest approved manual / type-test scope	Use model-specific verified temperature, humidity, altitude, insulation, and EMC data in customer-facing submissions.

SFA610 Series - Modular GIS/LCC Fault Alarm Unit

Parameter(SFA610)	Data(SFA610)	Remarks(SFA610)
Product model	SFA610 Series	Integrated modular fault alarm architecture for GIS/LCC and similar control cabinets.
System architecture	C main control module + M display module; optional E expansion module	Main logic remains inside the cabinet while the display is installed on the door / panel.
Base alarm channels	16 channels	Base C + M configuration.
Digital inputs	16	Handled by the C main control module.
Base relay outputs	16	One base relay-output set for the 16-channel configuration.
Expanded relay outputs	Up to 32 with E expansion module	Expansion adds relay-output capacity without adding new door wiring.
Display indication	16 red alarm indicators	Front-panel centralized alarm indication.
Function keys	ACK / TEST / RESET / RECALL	Front-panel operator alarm-management functions.
C-M interconnection	Single pre-terminated communication cable; standard length 4 m	Factory-tested cable simplifies cabinet-door wiring.
C-E expansion cable	0.5 m prewired cable	Used between main and relay-expansion modules.
Communication	Built-in Modbus protocol	Supports status communication and remote alarm management.
Event history	Up to 200 alarm records	Supports chronological review during operation and maintenance.
EMC performance	Level 4 EMC design	Official ODES SFA610 material positions this for interference-resistant GIS cabinet applications.
Audible / visual alarm modules	Optional plug-in modules	Configure according to project alarm philosophy.
Main-module mounting	DIN rail	C main control module is cabinet-mounted.
Display mounting	Cabinet door / front panel	M display module provides local indication and operator keys.
Auxiliary supply / DI level	Project / order-code dependent	Confirm rated supply, DI electrical level, and common wiring in the latest approved datasheet.
Relay contact rating	Project / order-code dependent	Confirm continuous current and making / breaking capacity for the connected remote-signal load.
Dimensions	Module-specific	Confirm current C / M / E dimensional drawings and panel cutout before cabinet production.

SAD Series - Intelligent Multi-Channel Fault Annunciator

Parameter(SAD)	Remarks(SAD)	Data(SAD)
Product series	Intelligent multi-channel annunciation platform for protection and control panels.	SAD Series
Primary function	Suited to higher point counts and communication-rich projects.	Centralized fault / alarm / status acquisition, indication, relay expansion, and communication
Channel options	Current ODES presentation material; final available order codes should be verified before quotation.	16 / 32 / 48 / 64 channels
Lamp colors	Used to classify different signal types / alarm priorities.	Six selectable colors
Signal type	Set through host / PC configuration software.	Configurable by channel
Alarm mode	Supports different alarm sequences and display behavior according to project philosophy.	Configurable by channel
Signal delay	Used to filter transient signals or coordinate annunciation timing as required.	Configurable
Horn activation logic	Allows project-specific audible-alarm behavior.	Configurable
Software configuration	The same hardware platform can be adapted to different project requirements through parameter settings.	Host / PC software
Parameter import / export	Useful for batch configuration, commissioning, backup, and repeated-panel projects.	Supported
Relay-output expansion	Each alarm channel can be provided with a corresponding relay output where required.	Cascade expansion supports 1:1 channel-to-relay output
Expansion interconnection	Used between the main annunciation unit and relay-expansion modules.	RJ45 shielded cable
Communication	Supports remote monitoring and system integration.	RS485-Modbus
IEC 61850	Confirm project scope, interface definition, engineering files, and certification requirements separately.	Optional customization
Alarm recall / retained indication	Confirm detailed sequence-of-events / power-off retention behavior for the current hardware and firmware version.	Supported according to product configuration
Typical applications	Appropriate where multi-channel centralized display and remote integration are both required.	Protection and control panels, substations, power plants, GIS/LCC, digital-substation interfaces
Auxiliary supply	Confirm rated AC / DC supply and tolerance in the latest SAD technical manual.	Model / project dependent
Input electrical characteristics	Confirm signal voltage, wet / dry contact mode, polarity, and common-terminal design.	Model / project dependent
Output contact rating	Verify current-carrying and making / breaking capacity for the actual load.	Model / expansion-module dependent
Mounting / dimensions	Confirm rack / panel dimensions, cutout, depth, and expansion-module mounting from the current drawing.	Channel / model dependent
Environmental / EMC / insulation	Use only model-specific verified data in tender, FAT, and certification submissions.	Refer to latest approved manual and test scope

Resources & FAQ

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Frequently Asked Questions

Q1. How should I choose between SFA600, SFA610, and SAD?

Choose SFA600 when the project mainly needs compact local annunciation for a low or medium number of fault / status points and only limited contact expansion. Choose SFA610 when GIS/LCC cabinet-door wiring needs to be simplified and a modular 16-channel architecture with 16 digital inputs, relay outputs, Modbus communication, and event history is preferred. Choose SAD when the project requires a higher channel count, six-color configurable indication, per-channel software configuration, RS485-Modbus communication, scalable 1:1 relay-output expansion, or optional IEC 61850 customization.

Q2. What information should be confirmed before selecting an Alarm Annunciator Panel?

Confirm the alarm-point count, signal electrical level and wet / dry contact logic, NO / NC philosophy, lamp color and alarm sequence, input delay, horn / acknowledge / reset / recall logic, required relay outputs, communication protocol, event-history requirement, auxiliary supply, mounting limits, and environmental / EMC requirements. Freeze the final model and order code against the approved alarm list and control schematic.

Q3. How are remote outputs and communication handled?

SFA600 can be configured with contact expansion. SFA610 provides 16 relay outputs in the base C + M architecture and can expand to 32 through the E module, with built-in Modbus for remote status management. SAD supports cascade 1:1 relay-output expansion, RS485-Modbus, and optional IEC 61850 customization. Confirm the dry-contact matrix, total-alarm logic, protocol mapping, and SCADA / RTU interface for each project.

Current ODES product imagery and solution materials support organizing this category around SFA600, SFA610, and SAD. SFA700 is treated as a related I/O expansion module rather than a primary annunciator family. Before release, quotation, FAT, or ordering, verify the latest model-specific datasheet for auxiliary supply, DI characteristics, channel matrix, alarm logic, relay ratings, dimensions, environmental / EMC performance, communication mapping, firmware / software version, and certification scope.