Japan, Toho Seisakusho
Toho Seisakusho RX-1003PUI type Balancing Relay

Made in Japan
Manufacturer: Toho Seisakusho
Model:RX-1003PUI type
Features

The opening signal can be output using a constant current method of 4 to 20 mA DC.
Using SSR for the motor drive offers a semi-permanent lifespan compared to relay contacts.
Specification
| Power-supply voltage | Rating AC100V (variation range AC 90 to 121V) Standard |
| rating AC200V (variation range AC180 to 242V) Standard | |
| rating AC24V, AC120V, AC240V Semi-standard | |
| rating AC24V, AC120V, AC240V Fluctuation range: ±10% | |
| Power frequency fluctuation range | 47-63Hz |
| power consumption | 3VA or less |
| Permissible ambient temperature | -10~+50℃ |
| Permissible ambient humidity | 45~85%RH |
| wiring | Surface connection socket terminal screws (M3.5 x L6-11 pieces) |
| Installation | Fixed surface connection socket (M4 x L30 – 2 pieces) |
| Body installation: Attachment/detachment using socket | |
| Mass | Approximately 0.4kg |
| input signal | DC4~20mA/DC1~5V or DC0~10V |
| DC1~5V, DC0~10V Either must be specified | |
| input resistance | DC4~20mA 250Ω |
| DC1~5V, DC0~10V 100kΩ | |
| feedback resistance | Potentiometer 135Ω standard |
| dead zone | When shipped: DC ±40mV (2%) |
| DC ±20 to ±120mV (1 to 6%) variable | |
| resolution | Approximately 200 steps |
| (when combined with dead band DC40mV setting and control motor) | |
| output | Contact configuration: SSR (AC semiconductor switch) No-voltage contact |
| voltage range: AC24 to 240V | |
| Rated current: 3A or less | |
| Operation display: Operating in open direction Red LED lit | |
| Closed direction operating Green LED lit | |
| Opening signal 0% to 100%: DC4 ~20mA | |
| Allowable load resistance value: 0~600Ω (including line resistance value) | |
| Direct/reverse operation switching function | Can be switched using a jumper pin inside the main unit |
| 0% adjustment range | Closed side (0%) 0 to 5% residual resistance value correction |
| 100% adjustment range | Open side (100%) 95% to 100% residual resistance correction |
| Input signal and opening characteristics | Closed side (0%) 0 to 20% |
| Open side (100%) 80 to 100% | |
| (*Can be adjusted with internal span VR and zero VR) |











