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4. Technical specification
Options
Standard Switch 12 V or 24 V (optional with NAMUR)
Dual Contact Switch NO/NO * or NO/NO-NC **
12 V or 24 V (optional with NAMUR)
Mechanical characteristics
Actuation force: approx. 4.5 N (Soft (long travel) haptics) *
approx. 6.5 N (Firm (short travel) haptics) **
Overload: 250 N
Mechanical lifetime: up to 250 000 cycles of operation
Electrical characteristics
Operating voltage range: 8-18 VDC (12 V variant)
18-32 VDC (24 V variant)
Maximal switching current: 50 mA (Total Power of 1 VA not be exceeded)
Minimal switching current: 1 mA (Wetting Current)
Maximal switching power: 1 VA (without Namur)
0.25 VA (with Namur)
Maximal switching voltage: 32 VDC
Contact resistance: <10 Ω (without Namur)
106 Ω-118 Ω (with Namur)
Illumination
LED symbol illumination
ocolour: White acc. CIE 1931,
chromaticity coordinates P (x, y) on request
Red (hazard warning version)
λdom ~ 633 nm
oLuminance: White: approx. 20 cd/m² at 28 VDC or 14 VDC,
23 °C ± 2 K
Red: approx. 90 cd/m² at 28 VDC or 14 VDC,
23 °C ± 2 K
LED indicator illumination
ocolour: Red λdom ~ 633 nm
oLuminance: approx. 200 cd/m² at 28 VDC or 14 VDC,
23 °C ± 2 K
Symbols
Standard: Symbols in accordance with ISO 7000
Customized: Customer-specific symbols on request
* NO/NO only as soft haptic version; **
NO/NO-NC only as firm haptic version