GAI-Tronics introduces the world’s first UL Class I Division 1 telephone and is available in standard analog. This rugged analog handset is UL approved to Class I Division 1 Groups B, C, & D, Class II Groups F & G and Class III, Type 4X, and ABS Type Approved. Analog variants are available with relay contact. Ring relay contacts are 5A, 250 V ac / 30 V dc rated.