Product Description
JRCS SA-FL21 Annunciator PCB Circuit Board Card
The JRCS SA-FL21 is a high-quality annunciator printed circuit board (PCB) card engineered for dependable performance in marine and industrial alarm annunciator systems. Manufactured by Japan Radio & Electric Mfg. Co., Ltd. (JRCS), this circuit board is designed to accurately process and trigger fault signals in critical monitoring environments. It features a robust gold-finger edge connector for secure backplane integration and a practical gray mounting/ejector handle bracket for safe installation, extraction, and maintenance. The board is fully populated with precision electronic components, including resistors, capacitors, integrated circuits (ICs), and highly reliable Matsushita NF2EB-12V (12V DC) relays, ensuring long-lasting operational stability.
Technical Specifications:
- Brand: JRCS (Japan Radio & Electric Mfg. Co., Ltd.)
- Model: SA-FL21
- Product Type: Annunciator Circuit Board (PCB) Card
- Relay Components: Matsushita NF2EB-12V (12V DC) Relays
- Interface/Connection: Gold-finger edge connector
- Hardware Features: Gray mounting/ejector handle bracket
- Application: Marine and industrial alarm annunciator systems
- Country of Origin: Made in Japan

JRCS SA-FL21 Annunciator (PCB Circuit Board Card)
Maintain peak safety and monitoring capabilities with the genuine JRCS SA-FL21 Annunciator PCB Card. Featuring Matsushita 12V DC relays and a secure gold-finger edge connector, this Japanese-manufactured circuit board provides reliable fault detection and alarm processing for marine and industrial systems.
| Brand | JRCS |
|---|---|
| Model | SA-FL21 |
| Part No. | 969786292646 |
| Category | Electrical |
| Link | https://www.echuan-hydraulic.com/product/jrcs-sa-fl21-annunciator-pcb-circuit-board-card |


