Kromschrοder IFS135B-3 gas burner control unit
Automatic gas firing devices IFS 135 B for high switching frequencies, fully electronic, without restart option, Connection for external fault message
and remote release, 230/240 V ~, 50/60 Hz, DIN-DVGW approvedsec. A = start safety delay sec. B/H = main gas/operation safety delay sec. B/Z = ignition gas/operation safety delay