optional protective caps (not incl.): CAP/R1396LED: blue • LED forward current: 20 mA • LED forward voltage: 2.8 V • type: off-(on) • cap colour: black • rating: 400 mA • dielectrical strength: 1000 VAC rms • contact resistance: 50 mΩ • electrical life: 500 000 cycles • soldering: max. 300 °C (for 3 seconds) • material: polyamide