
SCHAEFER products
EKS 42 VP
The electronic key switch EKS detects electronic keys (transponders) from a few centimetres distance. This device can replace conventional key switches or key switches with impulse function. Instead of conventional keys, transponders are used for (non-contact) activation of the EKS.
Product information
Official manufacturer details
- impulse function, 3 seconds impulse time
- impulse function, 0.3 seconds impulse time
- impulse function, any impulse time (relay will give impulses as long as the transponder is presented)
- switch function
- 1 relay (potential-free alternating contact)
- 2 relays (potential-free alternating contacts)
When mounted behind a stainless steel faceplate there is no need for a cutout for the EKS 42 in the faceplate. The reader unit will be fixed at the rear of the faceplate by means of welding studs and the reading area will be marked on the front of the faceplate in any way. This variant is advantageous for example in connection with large push buttons or non-SCHAEFER products to be independent from the design. With no access from the front the device is furthermore safe from manipulation, thus save from vandalism, water and dust.
Specifications
| Fixing | |
| Welding studs | M3 × 20 |
| Faceplate thickness | 2 mm |
| Connectivity | |
| Screw terminal 2 × 5 poles | 0.1 - 1 mm² |
| Electrical data | |
| Power supply (smoothed) | 12 - 30 V DC |
| Stand-by current (12 V) | max. 70 mA (with maximum permanent Illumination) |
| Stand-by current (24 V) | max. 40 mA (with maximum permanent Illumination) |
| Operating current (12 V) | max. 100 mA (with two activated relays) |
| Operating current (24 V) | max. 60 mA (with two activated relays) |
| Switching element | |
| Relay | X |
| Relay | |
| Relay (quantity) | 2 |
| U (AC) | max. 50 V |
| U (DC) | max. 60 V |
| I | max. 1 A |
| P | max. 30 W |
| Other | |
| Temperature range | -25 - +65 °C |
| Compliance | |
| EN 81-71 Class 2 | X |
| EN 81-72 | X |
| Transponder technology | |
| Transponder identifiers (Number of participants) | max. 156 |
| Type "read only" | 64 Bit / 40 Bit data |
| Frequency | 125 kHz |
| Possible identifiers | 1.1 × 10¹² |
| Detection time | 0.2 s |
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