Sonel separation adapter. The product is equipped with a practical test lead. The above AS-1 separating adapter may be used to connect the transmitter to a mains socket with a rated voltage of 230V. The advantage of this particular model is the fact that it is also available with a mains plug suitable for other standards, including: WAADAAS1CH Swiss standard, WAADAAS1US American standard and WAADAAS1AU Australian standard.