Watlow EZ-ZONE ST - Manual (Page 9)

Watlow EZ-ZONE ® ST • 7 • Chapter 2 Install and Wire
41.9 mm
(1.65 in)
35 mm
(1.38 in)
156 mm
(6.14 in)
25 A heatsink (shown)
This dimension same for 40 A heatsink.
36.2 mm
(1.43 in)
177.8 mm
(7.00 in)
188.6 mm
(7.43 in)
63.5 mm
(2.5 in)
25 A (shown)
98.6 mm
(3.88 in)
40 A
4 1
2 5
3 6
4 1
2 5
3 6
EZ-ZONE™ ST
Patent Pending
Integrated
Control Loop
EZ-ZONE™ ST
Patent Pending
Integrated
Control Loop
126.1 mm
(4.97 in)
29.5 mm
(1.16 in)
Chapter 2: Install, Wire and Set
Address
2
EZ-ZONE ® ST with 25A or 40A Contactor
EZ-ZONE ST Without a 25A or 40A Contactor
Front View
Side View
36.2 mm
(1.43 in)
156 mm
(6.14 in)
25 A heatsink (shown)
This dimension the same for 40 A heatsink.
63.5 mm
(2.5 in)
25 A (shown)
98.6 mm
(3.88 in)
40 A
177.8 mm
(7.00 in)
41.9 mm
(1.65 in)
35 mm
(1.38 in)
188.6 mm
(7.43 in)
1 2
EZ-ZONE™ ST
Patent Pending Integrated Control Loop 1 2
EZ-ZONE™ ST
Patent Pending Integrated Control Loop
51.6 mm
(2.03 in)
87 mm
(3.43 in)
17.4 mm
(0.68 in)
126.1 mm
(4.97 in)
29.5 mm
(1.16 in)
#8 mounting
screw
#8 mounting
screw
Front View
Side View
36.2 mm
(1.43 in)
156 mm
(6.14 in)
25 A heatsink (shown)
This dimension the same for 40 A heatsink.
63.5 mm
(2.5 in)
25 A (shown)
98.6 mm
(3.88 in)
40 A
177.8 mm
(7.00 in)
41.9 mm
(1.65 in)
35 mm
(1.38 in)
188.6 mm
(7.43 in)
1 2
EZ-ZONE™ ST
Patent Pending Integrated Control Loop 1 2
EZ-ZONE™ ST
Patent Pending Integrated Control Loop
51.6 mm
(2.03 in)
87 mm
(3.43 in)
17.4 mm
(0.68 in)
126.1 mm
(4.97 in)
29.5 mm
(1.16 in)
#8 mounting
screw
#8 mounting
screw
WARNING: The heat sink
can become hot during op-
eration .
CAUTION: The EZ-ZONE ST
must be mounted vertically
(as shown) to meet the am-
pere/ambient-temperature
performance curve .
WARNING: The heat sink
can become hot during
operation .
CAUTION: The EZ-ZONE
ST must be mounted verti-
cally (as shown) to meet
the ampere/ambient-
temperature performance
curve .