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.