Siemens TXA1.K24 Address Keys 1-24 + 2 reset keys One set of address keys, numbers 1-24 with 2 reset keys.

Siemens TXA1.IBE Island bus expansion module for decentralized sub-islands with TX-I/O-modules Expand island bus to a distance of up to 2 x 200 meters Compact

Siemens TXA1.K12 Address Keys 1-12 + reset key One set of address keys, numbers 1-12 with 1 reset key.  

Siemens TXA1.K-48 Address keys 25-48 + 2 reset keys One set of address keys, numbers 25-48 with 2 reset keys.    

Siemens TXA1.K-72 Address keys 49-72 + 2 reset keys One set of address keys, numbers 49-72 with 2 reset keys.    

Siemens TXA1.K-96, S55661-J101 Address keys 73-96 + 2 reset keys One set of address keys, numbers 73-96 with 2 reset keys.

Siemens TXA1.K-120, S55661-J102 Address keys 97-120 + 2 reset keys One set of address keys, numbers 97-120 with 2 reset keys.

Siemens TXA1.LH2, S55661-J107 Spare transparent label holders (10 pcs.) Replacement Label Ho

Siemens TXA1.5K120 Address key 5, 10 ... 120 + 2 reset keys One set of address keys, numbers 5, 10, 15...120 with 2 reset keys.