Ratings / Characteristics

Ratings/Characteristics

Operation type Top-actuated
(B3U-1000 Series)		 Side-actuated
(B3U-3000 Series)
Rating (resistive load) 1 to 50 mA, 3 to 12 VDC
Minimum applicable load (reference value) 10 μA at 1 VDC (resistive load)
Ambient operating temperature -25°C to +70°C at 60%RH max. (with no icing or condensation)
Ambient humidity 35% to 85% (at +5 to +35ºC)
Contact form SPST-NO
Contact resistance (initial value) 100 mΩ max.
Insulation resistance 100 MΩ min. (at 100 VDC with insulation tester)
Dielectric strength 250 VAC, 50/60 Hz for 1 min
Bounce time 5 ms max.
Vibration resistance 250 VAC, 50/60 Hz for 1 min
Shock resistance 1,000 m/s2 {approx. 100G} max.
Durability 200,000 operations min. 100,000 operations min.
Weight Approx. 0.022 g
Degree of protection IEC IP40
Washing Not possible

Operating Characteristics

Operation type Top-actuated
(B3U-1000 Series)		 Side-actuated
(B3U-3000 Series)
Operating force (OF) 1.50 ± 0.49 N
{153 ± 50 gf}		 1.59 ± 0.49 N
{162 ± 50 gf}
Releasing force (RF) 0.2 N min. {20 gf}
Pretravel (PT) 0.15 -0.2/-0.1 mm 0.2 + 0.2/-0.1 mm

Downloads

Document File Type File Size Download
B3U Series Datasheet PDF 319 KB