· SQL321B.. Operating voltage AC 220 V, 2-position (SPDT) control signal
· SQL361B.. Operating voltage AC 220 V, DC 0…10 V, 4…20 mA control signal
· SQL351B.. Operating voltage AC 220 V, 4…20 mA control signal, fail-in position
· Optional auxiliary switch for SQL361/SQL351B150…B2650
· Nominal angle of rotation 90°
· Handwheel and position indicator
· Built-in heating element to avoid condensation
· Compatible with EN ISO 5211 flanges