Explore performance details, construction highlights, applications, and technical information in one clear overview.
The APEM Panel Switches 21248NA is a double pole autoswitch with silver contacts designed for industrial applications. This robust switch offers high insulation resistance (1,000 MΩ min. at 500 VDC), dielectric strength (1,000 Vrms 50 Hz min.), and electrical life of 20,000 cycles for silver contacts. Its epoxy sealed terminals ensure reliability in demanding environments.
The APEM Panel Switches 21248NA is a high-reliability double pole autoswitch featuring silver contacts and bright chrome finish. Engineered for industrial use, this panel switch delivers exceptional electrical performance with a minimum insulation resistance of 1,000 MΩ at 500 VDC and dielectric strength of 1,000 Vrms 50 Hz. The switch supports a maximum current of 4 A at 30 VDC for resistive loads and provides 20,000 operational cycles under full load conditions. Its epoxy sealed terminals and wide operating temperature range from -40 °C to +85 °C make it suitable for harsh environments and continuous industrial applications.
The APEM Panel Switches 21248NA delivers robust electrical performance with a minimum insulation resistance of 1,000 MΩ at 500 VDC and dielectric strength of 1,000 Vrms 50 Hz. It supports a maximum current of 4 A at 30 VDC for resistive loads and maintains 20,000 operational cycles under full load conditions for silver contacts. The switch also ensures reliable operation with an initial contact resistance of 20 mΩ max.
Engineered for extreme conditions, the Panel Switches 21248NA operates within a temperature range of -40 °C to +85 °C. Its epoxy sealed terminals provide protection against environmental factors, ensuring long-term reliability in industrial settings where temperature fluctuations and moisture exposure are common.
With an electrical life of 20,000 cycles for silver contacts under full load, the switch offers extended service life in demanding applications. The combination of high-quality silver contacts and precise engineering ensures consistent performance over time, reducing maintenance needs and downtime.
| Feature | Specification |
|---|---|
| Insulation resistance | 1,000 MΩ min. at 500 VDC |
| Dielectric strength | 1,000 Vrms 50 Hz min. between terminals2,000 Vrms 50 Hz min. between poles or terminals and frame Minimum load :- silver contacts : 100 mA 10 V- gold plated brass contacts : 10 µA 5 VDC - 10 mA 50 mV |
| Operating temperature | -40 °C to +85 °C Electrical life at full load :- silver contacts : 20,000 cycles- gold plated brass contacts : 50,000 cycles Low level or mechanical life : 100,000 cycles Low level or mechanical life : 100,000 cycles |
| Max. current/voltage rating with resistive load | - silver contacts : 4 A 30 VDC- gold plated brass contacts : 100 mA 30 VDC Minimum load :- silver contacts : 100 mA 10 V- gold plated brass contacts : 10 µA 5 VDC - 10 mA 50 mV |
| Sealing | Epoxy Sealed Terminals,Version:N |
| Electrical Functions | ON OFF MOM |
| Feature | Specification |
|---|---|
| Minimum load | - silver contacts : 100 mA 10 V- gold plated brass contacts : 10 µA 5 VDC - 10 mA 50 mV |
| Environmental Specifications Operating temperature | -40 °C to +85 °C |
The APEMPanel Switches 21248NA is presented using the documented product characteristics available for this model.
| Feature | Specification |
|---|---|
| Insulation resistance | 1,000 MΩ min. at 500 VDC |
| Dielectric strength | 1,000 Vrms 50 Hz min. between terminals2,000 Vrms 50 Hz min. between poles or terminals and frame Minimum load :- silver contacts : 100 mA 10 V- gold plated brass contacts : 10 µA 5 VDC - 10 mA 50 mV |
| Operating temperature | -40 °C to +85 °C Electrical life at full load :- silver contacts : 20,000 cycles- gold plated brass contacts : 50,000 cycles Low level or mechanical life : 100,000 cycles Low level or mechanical life : 100,000 cycles |
| Max. current/voltage rating with resistive load | - silver contacts : 4 A 30 VDC- gold plated brass contacts : 100 mA 30 VDC Minimum load :- silver contacts : 100 mA 10 V- gold plated brass contacts : 10 µA 5 VDC - 10 mA 50 mV |
| Sealing | Epoxy Sealed Terminals,Version:N |
| Electrical Functions | ON OFF MOM |
| Feature | Specification |
|---|---|
| Minimum load | - silver contacts : 100 mA 10 V- gold plated brass contacts : 10 µA 5 VDC - 10 mA 50 mV |
| Environmental Specifications Operating temperature | -40 °C to +85 °C |