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The APEM Panel Switches KRR21N44XXXX are robust autoswitches designed for demanding industrial environments. These switches feature a unique rocker design, laser-etched symbols, and options for IP68 or IP69K sealing to ensure reliable operation in harsh conditions. With a dielectric strength of 2,000 Vrms 50 Hz and insulation resistance of 1,000 MΩ min. at 500 VDC, they deliver exceptional electrical safety and durability for critical applications.
The APEM Panel Switches KRR21N44XXXX represent a high-performance autoswitch solution engineered for extreme industrial conditions. Combining a unique rocker mechanism with advanced sealing options, these switches provide reliable operation across a wide temperature range from -40 °C to +85 °C. Their robust construction, featuring laser-etched symbols and optional IP68 or IP69K sealing, ensures long-term performance in challenging environments. With a mechanical life of 150,000 cycles and dielectric strength of 2,000 Vrms 50 Hz, these switches are ideal for applications requiring high durability and electrical safety.
The KRR21N44XXXX switches deliver reliable electrical performance with a dielectric strength of 2,000 Vrms 50 Hz and insulation resistance of 1,000 MΩ min. at 500 VDC. They support a current/voltage rating of 60 W 24 VDC with 10,000 cycles for standard functions and 100 W 24 VDC for functions 1 & 6. Initial contact resistance remains below 10 mΩ max., ensuring minimal electrical interference during operation.
Engineered for harsh industrial environments, these switches meet stringent environmental standards. The KRR21N44XXXX offers salt spray resistance for 96 hours per IEC 512-6 and vibration resistance across 10-500 Hz. Additionally, they can be sealed to IP68 (for front panel components) or IP69K (for full panel sealing) to withstand extreme conditions.
With a mechanical life of 150,000 cycles min., the KRR21N44XXXX ensures long-term reliability in high-use applications. The switches are designed to operate across a wide temperature range from -40 °C to +85 °C, making them suitable for both extreme cold and high-heat environments. Their robust construction supports 10,000 cycles for standard functions and 100 W 24 VDC for critical functions.
The KRR21N44XXXX provides flexible sealing options to meet specific environmental challenges. Available with IP68 sealing for front panel components or IP69K sealing for full panel protection, these switches comply with IEC 60529 and DIN 40050-9 standards. This ensures protection against dust, water, and corrosive environments without compromising functionality.
| Feature | Specification |
|---|---|
| Insulation resistance | 1,000 MΩ min. at 500 VDC |
| Dielectric strength | 2,000 Vrms 50 Hz min. between terminals Current/voltage rating with lamp load - silver contacts (A) :- functions 1 & 6 : 100 W 24 VDC, 10,000 cycles- other |
| options | K : IP68 to front panel components of switch only according to IEC 60529Z : IP69K panel sealing according to DIN 40050-9 Salt spray resistance : 96 hours according to IEC 512-6, test 11f Vibration resistance : 10-500 Hz |
| Operating temperature | -40 °C to +85 °C Mechanical life :150,000 cycles min. Unique rocker design Wide choice of colors Laser etched symbols Illuminated or non-illuminated Optionally sealed to IP68 or IP69K Wide choice of colors Laser etched s |
| functions | 60 W 24 VDC, 10,000 cycles |
The APEMPanel Switches KRR21N44XXXX is presented using the documented product characteristics available for this model.
| Feature | Specification |
|---|---|
| Insulation resistance | 1,000 MΩ min. at 500 VDC |
| Dielectric strength | 2,000 Vrms 50 Hz min. between terminals Current/voltage rating with lamp load - silver contacts (A) :- functions 1 & 6 : 100 W 24 VDC, 10,000 cycles- other |
| options | K : IP68 to front panel components of switch only according to IEC 60529Z : IP69K panel sealing according to DIN 40050-9 Salt spray resistance : 96 hours according to IEC 512-6, test 11f Vibration resistance : 10-500 Hz |
| Operating temperature | -40 °C to +85 °C Mechanical life :150,000 cycles min. Unique rocker design Wide choice of colors Laser etched symbols Illuminated or non-illuminated Optionally sealed to IP68 or IP69K Wide choice of colors Laser etched s |
| functions | 60 W 24 VDC, 10,000 cycles |
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