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Klixon Prefixes:
1NT
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1822
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9700K
215**
283**
A*
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BR*
BY*
C*
CA
CDA
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CDLM
CDM
CE*
CG*
CLA
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CR*
CS*
CW*
CY*
D*
DP
EXT
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KA
KX
LE*
M1
M2
MA10
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PS80
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SL9
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TH
Klixon 4CR series starter relay motor protector
For AC starter relays up to 25 amps
H.S. Number: 8536.49.01
Series Specification Sheets (pdf)
All current relay wiring

Klixon 4CR1 Drawing           Klixon
                          4CR2 Drawing          Klixon 4CR Drawing
4CR1   4CR2   4CR3


    The Klixon 4CR current type motor starting relay is a compact, high capacity relay designed for universal application. The 4CR series is compatible with the Klixon 2CR, Klixon SL10, RBM 90-4** and RBM 91252 series relays.

$57.50 each

4CR ยป

Bulk Pricing for any 4CR series relay
100 $48.50 each
500 $38.50 each
1000 $32.50 each


Electrica and EMB(Embraco) Relays

Klixon Relays

3CR
9660
C6360 series

General Electric Relays
3ARR2
3ARR3
3ARR4
3ARR12
3ARR20

3ARR22
3ARR30
3ARR31
3ARR32


Fan & Switching Relays

Potter-Brumfield Relays


4CR Types. Red=Single circuit. Blue=Two circuit (add jumper for single)
Prefix Mounting Bracket Terminal
1 2 3 4
4CR-1 2 holes: 2.17" c-to-c empty QM250 QM250 QM250
4CR-2 2 holes: 1.57" c-to-c empty QM250 QM250 QM250
4CR-3 2 holes: 2.17" c-to-c QM250 QM250 QM250 QM250
4CR-4 2 holes: 2.17" c-to-c empty screw screw screw
4CR-6 2 holes: 1.57" c-to-c empty screw screw screw
4CR-7 2 holes: 2.17" c-to-c QM250 QM250 QM250 DoubleQM
4CR-18          
4CR-19 2 holes: 1.57" c-to-c empty QM250 QM250 QM250
4CR-20 2 holes: 1.57" c-to-c empty QM250 QM250 DoubleQM
4CR-21   terminal terminal terminal terminal
4CR-22 None empty QM250 QM250 QM250
4CR-23 2 holes: 1.57" c-to-c QM250 QM250 QM250 QM250
4CR-24 2 holes: 2.17" c-to-c screw screw screw screw
4CR-26 2 holes: 2.17" c-to-c empty QM250 QM250 QM250
4CR-28   empty screw screw screw
4CR-29 2 holes: 2.17" c-to-c screw screw screw screw
4CR-34 2 holes: 2.17" c-to-c DoubleQM QM250 QM250 QM250
4CR-38 2 holes: 2.17" c-to-c empty QM250 QM250 DoubleQM
4CR-39 2 holes: 2.37" c-to-c
w/rubber insert
empty QM250 QM250 QM250
4CR-45 1 hole empty QM250 QM250 QM250
4CR-48 2 holes: 2.17" c-to-c empty QM250 QM250 QM250
4CR-52 1 hole QM250 QM250 QM250 QM250
4CR-54 2 holes: 2.17" c-to-c QM250 QM250 QM250 QM250
4CR-57 2 holes: 2.17" c-to-c empty QM250 QM250 QM250
4CR-61 2 holes special QM250 QM250 QM250 QM250
4CR-63 2 holes: 2.17" c-to-c empty QM250 QM250 QM250
4CR-64 2 holes: 2.17" c-to-c empty screw screw screw

2CR and 4CR Equivalents
2CR-**-### 4CR-**-###+500












 
2CR-**-### 4CR-**-###+500
2CR-3 4CR-2 2CR-24 4CR-29
2CR-4 4CR-1 2CR-25 4CR-28
2CR-5 4CR-34 2CR-27 4CR-6
2CR-6 4CR-6 2CR-28 4CR-3
2CR-7 4CR-23 2CR-31 4CR-26
2CR-10 4CR-16 2CR-32 4CR-12
2CR-11 4CR-18 2CR-34 4CR-27
2CR-12 4CR-31 2CR-36 4CR-4
2CR-13 4CR-19 2CR-37 4CR-16
2CR-14 4CR-20 2CR-38 4CR-16
2CR-15 4CR-21 2CR-41 4CR-2
2CR-17 4CR-5 2CR-42 4CR-24
2CR-19 4CR-14 2CR-43 4CR-8

Master list (order above):
4CR1-605, 4CR-1-605, 4CR1-615, 4CR-1-615, 4CR1-620, 4CR-1-620, 4CR1-624, 4CR-1-624, 4CR1-625, 4CR-1-625, 4CR1-626, 4CR-1-626, 4CR-1-629, 4CR1-633, 4CR-1-633, 4CR1-634, 4CR-1-634, 4CR1-635, 4CR-1-635, 4CR1-641, 4CR-1-641, 4CR1-651, 4CR-1-651, 4CR1-653, 4CR-1-653, 4CR1-655, 4CR-1-655, 4CR1-658, 4CR-1-658, 4CR-1-659, 4CR1-659, 4CR1-664, 4CR-1-664, 4CR1-671, 4CR-1-671, 4CR-1-672, 4CR1-674, 4CR-1-674, 4CR1-675, 4CR-1-675, 4CR1-680, 4CR-1-680, 4CR1-684, 4CR-1-684, 4CR-1-685, 4CR-1-685, 4CR1-689, 4CR-1-689, 4CR1-690, 4CR-1-690, 4CR1-696, 4CR-1-696, 4CR1-700, 4CR-1-700, 4CR1-702, 4CR-1-702, 4CR1-704, 4CR-1-704, 4CR1-708, 4CR-1-708, 4CR1-709, 4CR-1-709, 4CR1-712, 4CR-1-712, 4CR1-714, 4CR-1-714, 4CR1-716, 4CR-1-716, 4CR1-717, 4CR-1-714, 4CR1-720, 4CR-1-720, 4CR1-722, 4CR-1-722, 4CR1-724, 4CR-1-724, 4CR1-725, 4CR-1-725, 4CR1-726, 4CR-1-726, 4CR1-728, 4CR-1-728, 4CR1-729, 4CR-1-729, 4CR1-730, 4CR-1-730, 4CR1-731, 4CR-1-731, 4CR1-732, 4CR-1-732, 4CR1-734, 4CR-1-734, 4CR1-735, 4CR-1-735, 4CR1-738, 4CR-1-738, 4CR1-741, 4CR-1-741, 4CR1-742, 4CR-1-742, 4CR1-743, 4CR-1-743, 4CR1-745, 4CR-1-745, 4CR1-747, 4CR-1-747, 4CR1-748, 4CR-1-748, 4CR1-749, 4CR-1-749, 4CR1-751, 4CR-1-751, 4CR1-755, 4CR-1-755, 4CR1-757, 4CR-1-757, 4CR1-758, 4CR-1-758, 4CR1-760, 4CR-1-760, 4CR1-764, 4CR-1-764, 4CR1-765, 4CR-1-765, 4CR1-766, 4CR-1-766, 4CR1-770, 4CR-1-770, 4CR1-772, 4CR-1-772, 4CR1-774, 4CR-1-774, 4CR1-778, 4CR-1-778, 4CR1-779, 4CR-1-779, 4CR1-780, 4CR-1-780, 4CR1-781, 4CR-1-781, 4CR1-785, 4CR-1-785, 4CR1-902, 4CR-1-902, 4CR1-908, 4CR-1-908, 4CR1-920, 4CR-1-920, 4CR1-930, 4CR-1-930, 4CR2-643, 4CR-2-643, 4CR2-650, 4CR-2-650, 4CR2-681, 4CR-2-681, 4CR2-700, 4CR-2-700, 4CR2-702, 4CR-2-702, 4CR2-705, 4CR-2-705, 4CR2-751, 4CR-2-751, 4CR3-648, 4CR-3-648, 4CR3-650, 4CR-3-650, 4CR3-670, 4CR-3-670, 4CR3-728, 4CR-3-728, 4CR3-735, 4CR-3-735, 4CR3-745, 4CR-3-745, 4CR4-625, 4CR-4-625, 4CR4-652, 4CR-4-652, 4CR4-662, 4CR-4-662, 4CR-4-706, 4CR4-706, 4CR4-735, 4CR-4-735, 4CR6-601, 4CR-6-601, 4CR6-606, 4CR-6-606, 4CR6-631, 4CR-6-631, 4CR6-634, 4CR-6-634, 4CR6-638, 4CR-6-638, 4CR6-657, 4CR-6-657, 4CR6-664, 4CR-6-664, 4CR6-699, 4CR-6-699, 4CR6-708, 4CR-6-708, 4CR6-672, 4CR-6-672, 4CR7-778, 4CR-7-778, 4CR18-905, 4CR-18-905, 4CR19-628, 4CR-19-628, 4CR20-724, 4CR-20-724, 4CR22-685, 4CR-22-685, 4CR22-744, 4CR-22-744, 4CR23-724, 4CR-23-724, 4CR23-749, 4CR-23-749, 4CR-24-621, 4CR28-666, 4CR-28-666, 4CR29-622, 4CR-29-622, 4CR29-638, 4CR-29-638, 4CR29-719, 4CR-29-719, 4CR29-772, 4CR-29-772, 4CR29-777, 4CR-29-777, 4CR34-652, 4CR-34-652, 4CR38-774, 4CR-38-774, 4CR38-921, 4CR-38-921, 4CR39-692, 4CR-39-692, 4CR45-616, 4CR-45-616, 4CR45-652, 4CR-45-652, 4CR48-782, 4CR-48-782, 4CR52-677, 4CR-52-677, 4CR52-705, 4CR-52-705, 4CR52-727, 4CR-52-727, 4CR52-744, 4CR-52-744, 4CR52-761, 4CR-52-761, 4CR54-782, 4CR-54-782, 4CR57-170, 4CR-57-170, 4CR63-642, 4CR-63-642, 4CR63-644, 4CR-63-644, 4CR63-654, 4CR-63-654, 6CR42-171, 6CR-42-171, SL10A-625