3040531_071114
Switches
3-stage switch D 3-4
with reclosing lock-out
for 3-speed operation of one or more unit
heaters with complete motor protection
Locking switch-off at winding overtempera-
ture (motor).
Reclosing: switch position 0, then select
required stage.
Contact for heating requirements.
Operation voltage 400 V
Control voltage 230 V
Max. capacity 4 A
Weight 8,0 kg
Prot. class IP 20
Part no. 27 01 065
* When connecting a room thermostat remove link
H1 = Service H2 = Interruption
S1/K1 = Contact seizure depending on manufacture type
Contact 3-4 heating requirements
F2, F3, F4 = 5 AT
Link acc. to
motor type-
plate
Fan motor with thermal
cutout
* When connecting a room thermostat remove link
H1 = Service H2 = Interruption
S1/K1 = Contact seizure depending on manufacture type
Contact 3-4 heating requirements
Fan motor with
thermal cutout
3-stage switch E3-7T
with reclosing lock-out
for 3-speed operation of one or more unit
heaters with single-phase A.C. motors and
complete motor protection.
Locking switch-off at winding overtempera-
ture (motor).
Reclosing: switch position 0, then select
required stage.
Contact for heating requirements.
Operation voltage 230 V
Max. capacity 7 A
Weight 4,5 kg
Prot. class IP 40
Part no. 27 01 064
supply cable