Toho Relay Box/Switch Board modules reduce the time required for selecting appropriate relays, fuses, designing circuits and wiring layouts. Simple “plug and play” elegance allows the the internal integrated circuit to provide tremendous wiring time savings, fused isolation from field devices, and clean wire routes with easy connection capabilities, lower maintenance needs withing a wide variety of configurations.
Toho Relay Boxes

Spec Sheets • PXGR Series • PXGRS Series • PXGRF Series • PXGRM Series • PXLYM Series • PX7FR Series • FTB Series

Easy Maintenance
• Replace without removing the cover
• Pull single lever to remove relays
• Easily performed with one hand

Multiple Configurations
• B contact relay
• SSR
• High-density relay
• Connect to both NPN and PNP devices
• Slow blow fuse

Circuit Options
WET circuit
• Does not require external interface terminal
DRY circuit
• All terminals are independent

Switch Board
Control I/O directly. Common uses include:
• Debugging
• Trial
• Testing
• Equipment Maintenance

Wiring Cost Savings
• Toho Relay Box reduces labor associated with rewiring while preventing wiring errors.

Protection Options
• Single protection
• Double protection
• Double fuse protects both positive and negative relay contact side.

Connector Configurations
Toho offers various series connectors, which include:
• 3M
• Omron
• AMP
• Fujitsu
• Military standard
• Others upon request

Terminals
• Standard
• Spring Lifted
• Clamp
• Push-In Terminal

PXGR Series
Relay, SSR Installed

PXGRS Series
Relay, Switch Installed

PXGRF Series
Relay, Fuse Installed

PXGRM Series
Relay, Fuse, Switch Installed

PXLYM Series
Power Relay Installed

PX7FR Series
Space Saving

FTB Series
Fuse Box