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Klixon Prefixes:
1NT
2ACE
2AM
2BM
2MM
2TC
3AM
3BT
3CR
3HM
3MP
3NT
3P
3SB
3SP
3TC
4AM
4BA
4BT
4CR
4SP
4TM
5BT
5SP
5TC
5TM
6AP
6PS
6TC
7AM
7BT
7HT
8AM
8EA
8HT
8SP
9HT
9TC
10HT
12HT
14HT
15AA
15AM
15HM
15TC
16HM
17AM
20TC
30AA
31AA
32AA
31HM
32HM
33HM
34HM
35HM
37HM
40AA
41AA
42AA
1822
4344
4391
6752
6766
6790
7235
7236
7270
7271
7274
7277
7851
7854
7855
7895
8347
8348
9115
9660
9700K
215**
283**
A*
ACMP
AT
B*
BE*
BJE
BR*
BY*
C*
CA
CDA
CDLA
CDLM
CDM
CE*
CG*
CLA
CLM
CM
CR*
CS*
CW*
CY*
D*
DP
EXT
FDL*
KA
KX
LE*
M1
M2
MA10
MAXI
ME*
MG*
MJE
MKA
MR*
MS*
MW*
MY*
PDA
PDLA
PDLM
PDM
PS*
PS80
RP
SB
SDL*
SJA
SKA
SLA
SL9
SL10
SL11
SOS
SP
TH

Klixon 8347 and 8348 Series
Supplementary overload
Series Specification Sheet page 1 (pdf)
Series Specification Sheet page 2 (pdf)
Wiring Diagram (pdf)

Klixon 8347 Drawing               Klixon
                  8348 Drawing
Klixon 8347                        Klixon 8348

   The 8347 and 8348 supplementary overloads are automatic, disc-type, quick-trip devices that sense and operate on locked rotor current. They respond to motor current only. These controls were developed to supplement Klixon motor winding thermostats in protection systems for hermetically-sealed compressors from 2 to 12 horsepower and three-phase motors. Motor winding thermostats used alone often do not provide adequate protection on locked rotors since termperature responsive devices may not react quickly enough.

Price: $65.50 each

8347... »

8348... »

Some specifications:
8347A-3-63: 3hp, 208/230VAC
8347A-3-67: 4hp, 240/208VAC
8347A-5-78: 5hp, 230VAC
8347A-5-79: 5hp, 208/240VAC
8347A-7-13: SPST
8347A-23-29: 23 Contact Amps, LRA: 82A, 6-16 sec., SPST 325/125VA @ 110-600/24V K/7
8347A-23-33: 17.5 Contact Amps, LRA: 62A, First Cycle Trip: 44A, 6-16 sec, SPST 325/125VA @ 110/600/24V C/5
8347A-23-40: 15 Contact Amps, LRA: 57A, 6-16 sec, SPST 325/125VA @ 110-600/24V J/8
8347A-23-42: 9.5 Contact Amps, LRA: 35A, First Cycle Trip: 30.5A, 6-16 sec, SPST 345/125VA @ 110-600/24V A/2
8347A-23-53: 10.9 Contact Amps, LRA: 42A, 6-16 sec, SPST 325/125VA @ 110-600/24V G/8
8347A-23-63: 27.8 Contact Amps, LRA: 77A, 6-16 sec, SPST 345/125V @ 110-600/24V
8347A-23-71: 35 Contact Amps, LRA: 115A, First Cycle Trip: 91A, 6-16 sec, SPST 325/125VA @ 110-600/24V H/9
8347A-23-86: 6.6 Contact Amps, LRA: 22A, First Cycle Trip: 19A, 6/16 sec, SPST 325/125VA @ 110/600/24V L/8
8347A-32-19: 19 Contact Amps, LRA: 63A, 6-16 sec., SPST 325/125VA @ 110-600/24V M/7
8348A-7-4: 33 Contact Amps, LRA: 143A, First Cycle Trip: 112A, 6-16 sec., SPST 325/125VA @ 110-600/24V M/3
8348A-17-9: Full Load: 46.2A, LRA: 128A, First Cycle Trip: 115A, SPST 345/125VA @ 110-600/24V K/5
8348B-45-10: Full Load: 72A, LRA: 191A, First Cycle Trip: 180A, SPST 345/125VA @ 110-600/24V K/9


Series Terminal Configurations
e.g. 8348A-**-2
First Suffix
Terminal 1
Terminal 2
Terminal 3
Terminal 4
3
3.5" Ins. Wire
QFF-0.250"
QM-0.250"
6" Ins. Wire
O-0.187"
Screw
4
4" Ins. Wire
QFF-0.250"
QM-0.250"
6" Ins. Wire
O-
0.187"
Screw
5
3.75" Ins. Wire
QFF-0.250"
QM-0.250"
6" Ins. Wire
O-
0.187"
Screw
6
3.75" Ins. Wire
QFF-0.250"
QM-0.250"
6" Ins. Wire
O-
0.187"
Screw
7
QM-0.250"
QM-0.250"
Screw
Screw
13
QM-0.250"
QM-0.250"
6" Ins. Wire
O-
0.187"
Lug & Screw
17
QM-0.250"
QM-0.250"
8.25" Ins. Wire
O-
0.187"
Screw
19
3.5" Ins. Wire
QFF-0.250"
QM-0.250"
5.5" Ins. Wire
O-
0.187"
Screw
21
QM-0.250"
QM-0.250"
6.5" Ins. Wire
O-
0.187"
Lug & Screw
23
QM-0.250"
QM-0.250"
QMF-0.250"
QMF-0.250"
28
3.5" Ins. Wire
QFF-0.250"
QM-0.250"
6.5" Ins. Wire
O-
0.187"
Screw
30
QM-0.250"
QM-0.250"
Extended Screw
Screw
32
QM-0.250"
QM-0.250"
Screw
Screw
45
QM-0.250"
QM-0.250"
6.5" Ins. Wire
O-0.250"
Screw
8347-83749
3.75" Ins. wire
QFF-0.281"
QM-0.250"
5.5" Ins. wire
O-0.198"
Screw


Master list (order above):
8347-83749, 8347A2-16, 8347A-2-16, 8347A2-20, 8347A-2-20, 8347A3-63, 8347A-3-63, 8347A3-67, 8347A-3-67, 8347A4-6, 8347A-4-6, 8347A4-64, 8347A-4-64, 8347A4-68, 8347A-4-68, 8347A5-65, 8347A-5-65, 8347A5-69, 8347A-5-69, 8347A5-78, 8347A-5-78, 8347A5-79, 8347A-5-79 8347A6-73, 8347A-6-73, 8347A6-74, 8347A-6-74, 8347A6-81, 8347A-6-81, 8347A-7-13, 8347A7-13, 8347A7-15, 8347A-7-15, 8347A-7-53, 8347A7-53, 8347A7-116, 8347A-7-116, 8347A8-15, 8347A-8-15, 8347A12-76, 8347A-12-76, 8347A17-9, 8347A-17-9, 8347A19-15, 8347A-19-15, 8347A19-21, 8347A-19-21, 8347A-21-9, 8347A21-12, 8347A-21-12, 8347A23-18, 8347A-23-18 8347A23-19, 8347A-23-19, 8347A23-20, 8347A-23-20, 8347A-23-29, 8347A23-33, 8347A-23-33, 8347A23-40, 8347A-23-40, 8347A23-42, 8347A-23-42, 8347A23-53, 8347A-23-53, 8347A23-56, 8347A-23-56, 8347A23-63, 8347A-23-63, 8347A30-69, 8347A-30-69, 8347A23-71, 8347A-23-71, 8347A23-86, 8347A-23-86, 8347A32-25, 8347A-32-19, 8347A32-19, 8347A-32-25, 8347A42-21, 8347A-42-21, 8347E19-24, 8347E-19-24, 8347E19-26, 8347E-19-26, 8348A3-12, 8348A-3-12, 8348A3-30, 8348A-3-30, 8348A4-64, 8348A-4-64, 8348A4-68, 8348A-4-68, 8348A-7-2, 8348A-7-4, 8348A7-4, 8348A-7-9, 8348A17-9, 8348A-7-13, 8348A7-13, 8348A-17-9, 8348A19-4, 8348A-19-4, 8348A19-11, 8348A-19-11, 8348A-21-9, 8348B5-17, 8348B-5-17, 8348B7-10, 8348B-7-10, 8348B-7-11, 8348B7-13, 8348B-7-13, 8348B7-33, 8348B-7-33, 8348B10-20, 8348B-10-20, 8348B13-4, 8348B-13-4, 8348B13-17, 8348B-13-17, 8348B-19-11, 8348B19-11,8348B-19-13, 8348B19-13, 8348B21-18, 8348B-21-18, 8348B23-13, 8348B-23-13, 8348B-28-20, 8348B28-20, 8348C13-4, 8348C-13-4, 8348V-13-4