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Fuji Electric SC Series Contactors & Starters

Type comparison according to motor ratings
Types and ratings (conforming to IEC158, AC3 duty)
Max. motor capacity (kW) Auxiliary contact Contactor Starter (open) Starter (enclosed)
200V - 240V 380V - 440V Existing SRC New SC Existing SRC New SW Existing SRC New SW
2.5 (3)4 1NO SRC3631-02 SC-03 SRCa3931-02 SW-03 SRCa3931-02 SW-03C
3.5 (4)5.5 1NO SRC3631-0 SC-0 SRCa3931-0 SW-0 SRCa3931-0 SW-0C
1NO-1NC SRC3631-05 SC-05 SRCa3931-05 SW-05 SRCa3931-05 SW-05C
4.5 7.5 1NO - SC-4-0 - SW-4-0 - SW-4-0C
5.5 11 1NO - SC-4-1 - SW-4-1 - SW-4-1C
(7.5)11 1NO-1NC SRC3631-5-1 SC-5-1 SRCa3931-5-1 SW-5-1 SRCa3931-5-1 SW-5-1C
11 2NO-2NC SRC3631-5-1N SC-5-1 SRCa3931-5-1N SW-5-1 -  
7.5 15 2NO-2NC SC-1N SW-1N SW-1NC
11 18.5 2NO-2NC SC-2N SW-2N  
15 22 2NO-2NC SC-2SN    
    2NO-2NC SC-3N    
    2NO-2NC SC-4N    
    2NO-2NC SC-5N SW-5N SW-5NC
37 60 2NO-2NC SC-6N SW-6N SW-6NC
45 75 2NO-2NC SC-7N SW-7N SW-7NC
55 90 2NO-2NC SC-8N SW-8N SW-8NC
65 110 2NO-2NC SC-10N SW-10N SW-10NC
90   2NO-2NC SC-11N SW-11N SW-11NC
120   2NO-2NC SC-12N SW-12N SW-12NC
    2NO-2NC SC-14N SW-14N SW-14NC
Note: The values in parenthese indicate the ratings of SRC series contactors and starters.


Fuji Electric Starters and Thermal Overload Relays

Standard type
Max. motor capacity (kW) Auxiliary contact Existing type New type
200V - 240V 380V - 440V Starter Thermal overload relay Starter Thermal overload relay
2.5 (3) 4 1NO SRCa3931-02 TR-0 SW-03 TR-0N
3.5 (4) 5.5 1NO SRCb3931-0 TR-0 SW-0 -
1NO-1NC SRCa3931-05 TR-0 SW-05 -
4.5 7.5 1NO - - SW-4-0 -
5.5 11 1NO - - SW-4-1 -
(7.5) 11 1NO-1NC SRCa3931-5-1 RCa3737-1C SW-5-1 -
11 2NO-2NC SRC3931-5-1N RCa3737-1C SW-5-1 -
7.5 15 2NO-2NC SW-1N TR-2N SW-1N -
11 18.5 2NO-2NC SW-2N TR-2N SW-2N -
- 22 2NO-2NC SW-2SN TR-3N SW-2SN -
- 30 2NO-2NC SW-3N TR-3N SW-3N -
- 40 2NO-2NC SW-4N TR-4N SW-4N -
- 55 2NO-2NC SW-5N TR-6N SW-5N -
- 60 2NO-2NC SW-6N TR-6N SW-6N -
- 75 2NO-2NC SW-7N TR-6N SW-7N -
- 90 2NO-2NC SW-8N TR-8N SW-8N -
- 110 2NO-2NC SW-10N TR-10N SW-10N -
- 132 2NO-2NC SW-11N TR-11N SW-11N -
- 220 2NO-2NC SW-12N TR-12N SW-12N -
- 315 2NO-2NC SW-14N TR-14N SW-14N -
Note: The values in parenthese indicate the ratings of SRC series starters.

With 2E type thermal overload relay
Max. motor capacity (kW) Auxiliary contact Existing type New type
200V - 240V 380V - 440V Starter Thermal overload relay Starter Thermal overload relay
2.5 (3) 4 1NO - - SW-03/2E TK-0N
3.5 (4) 5.5 1NO - - SW-0/2E TK-0N
1NO-1NC - - SW-05/2E TK-0N
4.5 7.5 1NO - - SW-4-0/2E TK-5-1N
5.5 11 1NO - - SW-4-1/2E TK-5-1N
(7.5) 11 1NO-1NC SRCa3931K-5-1 ACJa-1 SW-5-1/2E TK-5-1N
11 2NO-2NC SRC3931K-5-1N ACJa-1 SW-5-1/2E TK-5-1N
7.5 15 2NO-2NC SW-1N/2E TK-2N SW-1N/2E TK-2N
11 18.5 2NO-2NC SW-2N/2E TK-2N SW-2N/2E TK-2N
15 22 2NO-2NC SW-2SN/2E TK-3N SW-2SN/2E TK-3N
18.5 30 2NO-2NC SW-3N/2E TK-3N SW-3N/2E TK-3N
22 40 2NO-2NC SW-4N/2E TK-4N SW-4N/2E TK-4N
30 55 2NO-2NC SW-5N/2E TK-6N SW-5N/2E TK-6N
37 60 2NO-2NC SW-6N/2E TK-6N SW-6N/2E TK-6N
45 75 2NO-2NC SW-7N/2E TK-6N SW-7N/2E TK-6N
55 90 2NO-2NC SW-8N/2E TK-8N SW-8N/2E TK-8N
85 110 2NO-2NC SW-10N/2E TK-10N SW-10N/2E TK-10N
90 132 2NO-2NC SW-11N/2E TK-11N SW-11N/2E TK-11N
120 220 2NO-2NC SW-12N/2E TK-12N SW-12N/2E TK-12N
180 315 2NO-2NC SW-14N/2E TK-14N SW-14N/2E TK-14N
Note: The values in parenthese indicate the ratings of SRC series starters.


Fuji Electric's New TR Series Thermal Overload Relays

Motor ratings and recommended thermal overload relay setting range

220V 50Hz
Motor ratings Thermal overload relay
Capacity (KW) Current (A) Setting range (A) Existing type New type
0.09
0.18
0.37
0.55
0.75
1.1
1.5
2.2
3
0.58
1.1
2.1
2.4
3.3
4.4
5.9
8.4
11
0.48-0.72
0.95-1.45
1.7-2.6
2.2-3.4
2.8-4.2
4-6
5-8
7-11
9-13
TR-0 TR-0N
3.7 13.5 8-16
12-18
RCa3737-1C
-
-
TR-5-1N
4 15.5 8-16
12-18
RCa3737-1C
-
-
TR-5-1N
  20 16-24
16-22
RCa3737-1C
 
-
TR-5-1N
  26.5 24-36 TR-2N
  38 28-40 TR-2N
  50 45-67 TR-3N
  61 64-80 TR-3N
  71 54-80 TR-4N
  96 85-125 TR-6N
  120 110-160 TR-6N
  145 110-160 TR-6N
  179 125-185 TR-8N
  244
293
200-300
200-300
TR-11N
 
  348
411
300-450
400-600
TR-12N
TR-14N
160 500 400-600 TR-14N

380V 50Hz
Motor ratings Thermal overload relay
Capacity (KW) Current (A) Setting range (A) Existing type New type
  0.34
0.65
1.2
1.4
1.9
2.5
3.4
4.8
6.4
7.9
9
0.24-0.36
0.48-0.72
0.95-1.45
0.95-1.45
1.4-2.2
2.2-3.4
2.8-4.2
4-6
5-8
6-9
7-11
TR-0 TR-0N
  11.5 8-16
9-13
RCa3737-1C
-
-
TR-5-1N
  15 8-16
12-18
RCa3737-1C
-
-
TR-5-1N
  21.5 16-24
16-22
18-26
RCa3737-1C
-
TR-2N
-
TR-5-1N
TR-2N
15 29 24-36 TR-2N
  35 28-40 TR-2N
  41 34-50 TR-3N
  56 45-67 TR-3N
  69 54-80 TR-4N
  84
104
65-95
85-125
TR-6N
  120 110-160 TR-6N
  108 85-126 TR-6N
  143 110-160 TR-6N
  170 125-185 TR-8N
  199 160-240 TR-10N
  234 200-300 TR-11N
  290
360
200-300
300-450
TR-12N
 
  450
570
400-600
400-600
TR-14N
 
Note: The values of the motor full load current appearing in the table are those applicable to FUJI motor E Class 4-pole.
Please note that other motors will have other current value.

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