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J52 Datasheet, PDF (6/8 Pages) Magnetrol International, Inc. – J52 Refrigerant Level Switches
SPECIFICATIONS
Agency approvals
Agency Model Number
CSA
J52-41X1-00X
J52-41X2-00X
J52-41XX-00X
FM
J52-41X2-00X
Approval
Non-Hazardous TYPE 4X
Non-Hazardous NEMA 4X
Class I, Div. 1, Groups C & D
Class II, Div. 1 Groups E, F & G
Basic electrical ratings
Voltage
120 VAC
240 VAC
24 VDC
120 VDC
240 VDC
Non-inductive Ampere Rating
Dry Contact
15.00
15.00
6.00
0.50
0.25
Dimensional specifications
Inches (mm)
NEMA 4X — 4.25 (108)
NEMA 4X/7/9 — 6.00 (152)
ROTATION CLEARANCE
1/2" NPT Conduit
Connection may
be rotated through 360°
24.00 (610) Long
wires furnished
Actuating
Liquid Specific Gravity
Levels 0.60 0.80 1.00 1.20 1.30 1.40 1.50 1.60 1.70
R
1.00 1.44 1.69 1.88 1.94 2.00 2.06 2.13 2.13
(25) (37) (43) (48) (49) (51) (52) (54) (54)
L
2.38 2.63 2.81 2.94 3.00 3.06 3.06 3.13 3.13
(60) (69) (71) (75) (76) (78) (78) (80) (80)
NOTE: Actuating levels are factory set for maximum differential between
switch actuation. Internal adjustment provided for reduced differential.
Levels ±0.25" (6 mm)
NOTES:
1. Float chamber has float cushioning spring.
2. Allow 3.50 (89) NEMA 4 or 4.12 (105) NEMA 7/9 overhead
clearance for cover removal.
3. All dimensions in ( ) are in millimeters.
15.00
(381)
10.00
3/4" NPT
(254)
3/4" Socket weld
RISING LEVEL
FALLING LEVEL
R
L
5.75
(146)
2.81
3/4" NPT
(71)
3/4" Socket weld
4.25 (108)
6
Figure 7