SPR SPL TYPE SEMAPHORE RELAY
FEATURES
If the equipment status related to circuits is shown with lamps, on the electric power system panel, the broken wire in any lamp disables this display making it impossible to determine the equipment status. Since the semaphore relay uses no lamp, the open / closed status of the equipment is always displayed accurately. The semaphore relay allows for visually checking whether the circuit is connected or not. The disconnecting switch and circuit-breaker, which shows their statuses with the round and square shapes, are simple and contributes to the improvement of the panel design.
| Rated insulation voltage (Ui) | Rated operational voltage (Ith) | Voltage fluctuation range | Coil | Insulation resistance | Withstand voltage | Impulse withstand voltage | Shock resistance | Service life | Location of use | Protective structure | Panel thickness | Terminal connection | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SPR-3□,4□ | 250V | 24V,48V,100/110V,125V,200/220V DC | 80 to 125％ | Continuous excitation method | Insulating-resistance tester (1,000V DC) 1,000MΩ or more. |
1 minute at 2,500V AC | ±7kV/3 times for each pole (1.2/50μs) | 50G or more | 100,000 times or more | Indoor | Closed type | 1 to 6mm | Faston #205 or M3 screw |
| SPL-3□,4□ | 250V | 24V,48V,100/110V,125V,200/220V DC | 80 to 125％ | Continuous excitation method | Insulating-resistance tester (1,000V DC) 1,000MΩ or more. |
1 minute at 2,500V AC | ±7kV/3 times for each pole (1.2/50μs) | 50G or more | 100,000 times or more | Indoor | Closed type | 1 to 6mm | Faston #205 or M3 screw |
| product | document | data type | volume of data | date of update | download |
|---|---|---|---|---|---|
| SPR SPL TYPE SEMAPHORE RELAY | Catalog | 701.9KB | - | download |
