5.0
Switch Housing Replacement
Assemblies
When ordering replacement parts for an existing
Magnetrol instrument, please specify:
1. Model and serial numbers of control.
2. Description and part number of replacement kit.
Use the chart in section 5.4 on page 8 to choose the
appropriate replacement housing kit.
5.1
Aluminum Housings
Die cast aluminum NEMA 4X housing replacements are
available for general purpose or weather proof installations.
Explosion proof NEMA 4X/7/9 and Class I, Div 1,
Group B housing replacements are available for hazardous
atmosphere locations. Die cast aluminum housings are fin-
ished with a baked-on polyester powder coat paint.
NOTE: Consult your local representative on applications to meet
NEMA and other codes not covered in this bulletin.
6
42-799 Series ‘R’ Electric Switch Mechanisms
Figure 8
Aluminum Housing Assembly
Enclosing Tube Assembly
Baffle Plate
Switch Assembly
Set Screw
Set Screw
O-ring
Breather Drain
(optional)
Housing Base
Lockwasher
Ground Screw
Patent Label
Housing Cover
Gasket
Pipe Plug
Enclosing Tube Assembly
Switch
Series
Contacts
Quantity
8th & 9th
10th Digit
Switch only
Right Hand
5, 9, B, K, M, Q, S, W, Y
Bottom Mech
Top Mech
R
SPDT
1
RK, RA, RC, RH, R1, RU
89-7401-178
n/a
89-7101-045
2
RL, RD, R3, RV
89-7401-179
SPDT
Group IV
1
RY, RW, R5
89-7401-180
n/a
4.0
Replacement Switch Part Numbers
