Specifications positions: 20 dimensions: A: 33.00 B: 30.80 C: 22.86 contact resistance: 30mohm max. at DC 100mA insulation resistance: 1000Mohm at DC 500V current rating: 1A dielectric withstand voltage: AC 500V for 1 minute operating temperature: -55°C to +105°C contact: brass housing: PBT & 30% glass fibre (UL94VO) pitch: 2.54mm