307 is a small miniature relay, its dimensions are 18.8 x 10.6 x 15.6mm.
307 has 1NO contact with whether AgNi or AgSnO contact material; it is UL and VDE approved with following ratings:
- VDE: 10A 250VAC +85°C, 6A 250VAC +105°C
- UL: 10A 277VAC, 10A 30VDC, 12A 125VAC.
To comply with VDE0126-1-1 and IEC62109-1 the 510 series has up to 3mm contact gap.
510 series has 4kV dielectric strength between coil and contact and 2kV between the 2 poles.
In conformity with SONG CHUAN environmental policy the 510 series complies with new RoHS-Directive 2011/65/EU.