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MCCB Molded Case Circuit Breakers

RDCM1 (CM1) series MCCB is mainly used in the circuit of AC 50/60Hz, rated insulating voltage 690V (630 type is 500V), rated working voltage up to 690V, and rated current from 6A-800A in distribution line for distributing power, protecting line, overload, short-circuit and under-voltage protection.

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Description

RDCM1 (CM1) Series

Application

It is small size, high breaking capacity and short arcing (without arcing).

The products can be installed vertically and horizontally. And it have front connection, rear connection and plug-in connection.

The product meets the standards of GB14048.2 and IEC60947-2.

Model

①	Company Code
②	Moulded Case Circuit Breaker
③	Design Number
④	Frame Class Rated Current
⑤	Breaking Capacity Code: L: Standard Type M: Relatively high Type
⑥	Operation Type Code: Handle Operation (without code); Electric (P); Rotary handle (Z)
⑦	Number Of Pole
⑧	Release Type and Accessories Code (find the accessories cable)
⑨	Utilization Category: Power distribution protection (Without Code); motor protection (Code:2)
⑩	Four poles circuit breaker's N pole

Note: The neutral pole (N pole) of four pole has four types:

Type A: No current tripping release on N pole which making all the time, not closing and opening with the other three poles.

Type B: No current tripping release on N pole which closing and opening with the other three poles.

Type C: With current tripping release on N pole which closing and opening with the other three poles.

Type D: With current tripping release on N pole which making all the time, not closing and opening with the other three poles.

Accessories Cable

Accessories

Name

Accessories Code

No accessory

Alarm release

Shunt release

Auxiliary

contact

Under- voltage release

Shunt release auxiliary contact

Shunt release under

-voltage release

Two groups of auxiliary contact

Auxiliary contact under- voltage release

Shunt release alarm contact

Auxiliary contact alarm contact

Under

-voltage release auxiliary contact alarm contact

Shunt release auxiliary contact alarm contact

Two groups of auxiliary contact alarm contact

Auxiliary contact under- voltage release alarm contact

Electromagnetic

release

200

208

210

220

230

240

250

260

270

218

228

238

248

268

278

Double release

300

308

310

320

340

350

360

370

318

328

338

348

368

378

Product Classification

● Breaking Capacity: a Standard Type (L type); b Relatively high Type (M type);

● Connection Type: a Front connection; b Rear connection c Plug-in connection;

● Operation Type: a handle directly operation; b Rotary handle operation;

c Electrical operation; (63-225 Size Electromagnet type; 400-800 Size motor type);

● Number Of Pole: two poles; three poles; four poles.

Normal Working Condition

● Altitude: not exceed 2000m

● Ambient air temperature:

1) Temperature: -5° C~+ 40°C;

2) 24 hours average air temperature shall not exceed +35°C;

3) If the air temperature is more than +40°C, it need remark the special ordering.

● Air conditions:

At mounting site, relative humidity not exceed 50% at the max temperature of +40°C, higher relative humidity is allowable under lower temperature. For example, RH could be 90% at +20°C, special measures should be taken to occurrence of dews.

● Pollution grade: Grade 3;

● Protection Grade: IP20.

Main Technical Parameters

Circuit breaker rated value
Model	Frame class rated current	Rated current In(A)	Rated working voltage (V)	Rated insulation voltage (V)	Rated ultimate short- circuit breaking capacity Icu (kA)	Rated operating short circuit breaking capacity Ics (kA)	Number of pole	Arcing over distance (mm)
RDCM1-63L	63	6, 10, 16, 20, 25 32, 40, 50, 63	400	500	10*	5*	3	≤50
RDCM1-63M	63	6, 10, 16, 20, 25 32, 40, 50, 63	400	500	15*	10*	3, 4	≤50
RDCM1-100L	100	16, 20, 25, 32 40, 50, 63, 80, 100	400/690	690	35/10	22/5	3	≤50
RDCM1-100M	100	16, 20, 25, 32 40, 50, 63, 80, 100	400/690	690	50	35	2, 3, 4	≤50
RDCM1-225L	225	100, 125, 160 180, 200, 225	400/690	690	35/10	23/5	3	≤50
RDCM1-225M	225	100, 125, 160 180, 200, 225	400/690	690	50	35	2, 3, 4	≤50
RDCM1-400L	400	225, 250 315, 350, 400	400/690	690	50/15	35/8	3, 4	≤100
RDCM1-400M	400	225, 250 315, 350, 400	400/690	690	65	35	3	≤100
RDCM1-630L	630	400, 500, 630	400/690	690	50/15	35/8	3, 4	≤100
RDCM1-630M	630	400, 500, 630	400/690	690	65	45	3	≤100
RDCM1-800H	800	800	400/690	690	50/15	35/8	3, 4	≤100

Note: * is the test data of 400V, and 6A without thermal protection.

Characteristics of thermo protection operation of thermo-magnetic release for power distribution.
Test Current	I/In	Conventional time	Initial Status
Conventional non-tripping current	1.05	2h (In>63A), 1h (In≤63A)	Cold Status
Conventional tripping current	1.30	2h (In>63A), 1h (In≤63A)	Thermal Status

RDCM1 (CM1) Series

Characteristics of thermo protection operation of thermo-magnetic release for motor protection.
Rated Current	Conventional time	Initial status	Remarks
1.0In	>2h	Cold status	Not Tripping
1.2In	≤2h	Thermal status	Tripping
1.5In	≤4min	Cold status	10≤In≤225
1.5In	≤8min	Cold status	225≤In≤630
7.2In	4s≤T≤10s	Cold status	10≤In≤225
7.2In	6s≤T≤20s	Cold status	225≤In≤630

Instantaneous operation characteristics of power distribution protection circuit breaker: 10In±20%

Instantaneous operation characteristics of motor protection circuit breaker: 12In±20%

Overall And Mounting Dimensions (mm)

RDCM1 (CM1) Series

Overall And Mounting Dimensions (mm)

Model	Overall dimension
Model	Front connection												Rear connection
	W	L	H	W1	L1	L2	H1	H2	L3	E	F	G	H3	H4	L2	L3	φd
RDCM1-63L	78	135	73.5	50	172	117	87	17	85	50	23	4.0	44	67	117	87	18
RDCM1-63M	78	135	81.5	50	172	117	98.5	25	85	50	23	4.0	44	67	117	87	18
RDCM1-63 4P	103	135	81.5	75	172	117	98.5	25	85	50	23	4.0	44	67	117	87	18
RDCM1-100 2P	65	150	69	30	200	132	89	24	88	51	23	4.0	53	93	132	90	22
RDCM1-100L	92	150	69	60	200	132	89	24	88	51	23	4.0	53	93	132	90	22
RDCM1-100M	92	150	86	60	200	132	106	24	88	51	23	4.0	53	93	132	90	22
RDCM1-100 4P	122	150	86	90	200	132	106	24	88	51	23	4.0	53	93	132	90	22
RDCM1-225 2P	75	165	103	35	265	144	107	24	101	50	24	4.0	53	100	144	93	24
RDCM1-225L	107	165	86	70	265	144	107	24	101	50	24	4.0	55	100	144	93	24
RDCM1-225M	107	165	103	70	265	144	124	24	101	50	24	4.0	55	100	144	93	24
RDCM1-225 4P	142	165	103	105	265	144	124	24	101	50	24	4.0	55	100	144	93	24
RDCM1-400L, M	150	257	106.5	96	457	224	150	38	128	90	66	6.5	48.5	108.5	224	164	32
RDCM1-400 4P	198	257	106.5	144	457	224	150	38	128	90	66	6.5	48.5	108.5	224	164	32
RDCM1-630L, M	182	270	110	116	470	234	154	43	134	90	66	6.5	49	109	234	164	40
RDCM1-630 4P	240	270	110	174	470	234	154	43	134	90	66	6.5	49	109	234	164	40
RDCM1-800H	210	280	108	140	480	243	147	40	136	81	66	4.5	62	62	243	158	48
RDCM1-800H 4P	280	280	108	210	480	243	147	40	136	81	66	4.5	62	62	243	158	48

Model	Overall dimension								Mounting dimension			Plug-in plate size
Model	Plug-in connection								Mounting dimension			Plug-in plate size
	L4	L5	H5	H6	H7	C	D	Φd1	A	B	Φd	A	B	H
RDCM1-63L	135	100	31	36	43	60	50	5.5	25	117	3.5	90	79	28
RDCM1-63M, H	135	100	31	36	43	60	50	5.5	25	117	3.5	90	79	28
RDCM1-63 4P	135	100	31	36	43	60	75	5.5	25	117	3.5	90	104	28
RDCM1-100 2P	-	-	-	-	-	-	-	-	-	129	4.5	-	-	-
RDCM1-100L	168	90	50	64	76	56	60	6.5	30	129	4.5	90	94	41
RDCM1-100M	168	9	50	64	76	56	60	6.5	30	129	4.5	90	94	41
RDCM1-100 4P	168	90	50	64	76	56	90	6.5	30	129	4.5	90	125	41
RDCM1-160, 225 2P	-	-	-	-	-	-	-	-	-	128	4.5	-	-	-
RDCM1-160, 225L	186	94	50	71.5	71.5	51	70	6.5	35	128	4.5	88	110	51
RDCM1-160, 225M	186	94	50	71.5	71.5	51	70	6.5	35	128	4.5	88	110	51
RDCM1-160, 2254P	186	94	50	71.5	71.5	51	105	6.5	35	128	4.5	88	145	51
RDCM1-400L, M	279	170	60	83.5	106.5	129	60	8.5	48	194	7.0	166	152	58
RDCM1-400 4P	279	170	60	83.5	106.5	129	108	8.5	48	194	7.0	166	200	58
RDCM1-630L, M	299	170	60	92	110	123	100	8.5	58	202	7.0	166	185	68
RDCM1-630 4P	299	170	60	92	110	123	158	8.5	58	202	7.0	166	242	68
RDCM1-800M	305	181	87	97	148	146	90	11	70	243	7.0	166	213	68
RDCM1-800M 4P	299	181	87	97	148	146	140	11	70	243	7.0	183	213	68
RDCM1-1250	/	/	/	/	/	/	/	/	70	300	9.0	/	/	/

RDCM1L (CM1L) Series

Application

RDCM1L (CM1L) series leakage MCCB is mainly used in the circuit of AC 50/60Hz, rated working voltage up to 400V, and rated current from 16A-630A in distribution line for distributing power, protecting line, overload, short-circuit and leakage protections. It also can be used for infrequently starting of motor for overload and short-circuit protections.

It is small size, high breaking capacity and short arcing and adjustable residual operating current.And it can with alarm contact, shunt release and auxiliary contacts.

The products can be installed vertically and horizontally.

The product meets the standards of GB14048.2 and IEC60947-2.

Model

0.1

①	Company Code
②	Moulded Case Circuit Breaker
③	Design Number
④	Derived Code: (Electronic Type residual current circuit breaking)
⑤	Frame Class Rated Current
⑥	Breaking Capacity Code: L: Standard Type M: Relatively high Type
⑦	Operation Type Code: Handle Operation (without code); Electric (P); Rotary handle (Z)
⑧	Number Of Pole (2: two poles; 3: three poles; 4: four poles; 3N: three poles four wires)
⑨	Release Type and Accessories Code (find the accessories cable)
⑩	Utilization Category: power distribution protection (Without Code); motor protection (Code: 2)

Accessories Cable

Accessory	Accessory Code		Accessory installation and mode of wirings
	Electromagnetic release	Double Release	RDCM1L-100, RDCM1L-225, RDCM1L-400, RDCM1L-630
	Electromagnetic release	Double Release	3P three poles four wires	three poles four wires	4P Three poles four wires
No Accessory	200	300
Alarm contact	208	308
Shunt release	210	310
Auxiliary contact	220	320
Auxiliary contact alarm contact	228	328

RDCM1L (CM1L) Series

Product Classification

● Breaking Capacity: a Standard Type (L type) b Relatively high Type (M type)

● Connection Type: a Front connection b Rear connection c Plug-in connection;

● Operation Type: a handle directly operation; b Rotary handle operation; c Electrical operation;

● Residual acting current: a Non adjustable residual operating current b adjustable residual operating current;

● Number Of Pole: two poles; three poles; three poles four wires; four poles;

● Utilization Category : power distribution protection; motor protection;

● Accessory: Alarm contact, auxiliary contact, shunt release, under-voltage release.

Normal Working Condition

● Altitude: not exceed 2000m

● Ambient air temperature:

1) Temperature: -5° C~+ 40°C

2) 24 hours average air temperature shall not exceed +35°C

3) If the air temperature is more than +40°C, it need remark the special ordering.

● Air conditions:

At mounting site, relative humidity not exceed 50% at the max temperature of +40°C, higher relative humidity is allowable under lower temperature.For example, RH could be 90% at +20°C, special measures should be taken to occurrence of dews.

● Pollution grade: Grade 3

● Installation: III

● Protection Grade: IP20

Main Technical Parameters

Rated Value
Model	Frame class rated current Inm (A)	Rated current In (A)	Rated working voltage (V)	Rated residual operating current I △ n (mA)	Rated residual non operating current I △ no (mA)	Rated ultimate short-circuit breaking capacity Icu (kA)	Rated operating short circuit breaking capacity Ics (kA)	Number of pole	Arcing over distance mm
RDCM1L-100L RDCM1L-100M	100	16, 20, 25, 32, 40 50, 63, 80, 100	230	30, 50, 100 200, 300	15, 25, 50 100, 150	30	15	2	≤50
RDCM1L-100L RDCM1L-100M	100	16, 20, 25, 32, 40 50, 63, 80, 100	400	30, 50, 100 200, 300	15, 25, 50 100, 150	35	22	3 4, 3N	≤50
RDCM1L-225L RDCM1L-225M	225	100, 125, 160, 180, 200, 225	400	50, 100 200, 300, 500	25, 50 100, 150, 250	30	15	3 4, 3N	≤50
RDCM1L-225L RDCM1L-225M	225	100, 125, 160, 180, 200, 225	400	50, 100 200, 300, 500	25, 50 100, 150, 250	35	25	3 4, 3N	≤50
RDCM1L-400	400	225, 250 315, 350, 400	400	100, 200 300, 500	50, 100 150, 250	50	25	4, 3N	≤100
RDCM1L-630	630	400, 500, 630	400	100, 200, 300 500, 1000	50, 100, 150 250, 500	65	32	4, 3N	≤100

Characteristics of thermo protection operation of thermo-magnetic release for power distribution.
Test Current	I/In	Conventional time	Initial Status
Conventional non tripping current	1.05	2h (In>63A), 1h (In≤63A)	Cold status
Conventional tripping	1.30	2h (In>63A), 1h (In≤63A)	Thermal status

RDCM1L (CM1L) Series

Characteristics of thermo protection operation of thermo-magnetic release for motor protection.
Rated Current (A)	Conventional time			Initial status
Rated Current (A)	Inm=100A	Inm=225A, 400A	Inm=630A	Initial status
1.05In	>2h (In>63A), 1h (In≤63A)	>2h	>2h	Cold status
1.2In	≤2h (In>63A), 1h (In≤63A)	≤2h	≤2h	Thermal status
1.5In	≤4min	≤4min	≤8min	Thermal status
7.2In	T≥1s	4s<T≤10s	6s<T≤20s	Cold status

Leakage circuit breaker residual current breaking time
General type leakage circuit breaker residual current breaking time
I △ n (mA)	In (mA)	Maximum breaking time(s)
		I △ n	2I △ n	0.25A	5I △ n
≤30	Value	≤0.1	-	≤0.04	-
>30	Value	≤0.2	≤0.1		≤0.04

Delay type leakage circuit breaker residual current breaking time
Conventional delay time (s)	Breaking time (s)
	I △ n	5I △ n
0.2	<0.4	0.1~0.24
0.4	<0.6	0.2~0.44
0.6	<0.8	0.3~0.64

● Instantaneous operation characteristics of power distribution protection circuit breaker: 10In±20%

● Instantaneous operation characteristics of motor protection circuit breaker: 12In±20%

Structure And Working Principle

● The leakage is consist of zero frequency transformer, leakage shunt release and overload and short-circuit protective circuit breaker.

● When protective loop is overload or short-circuit, the double type shunt release is delay tripping or instantaneous tripping to cut off the power supply.

RDCM1L (CM1L) Series

Overall And Mounting Dimensions (mm)

Model	Overall Dimension																							Mounting dimension			Plug-in plate size
Model	Front connection											Rear connection				Plug-in connection								Mounting dimension			Plug-in plate size
	W	L	H	W1	L1	L2	H1	H2	E	F	G	L2	L3	H3	ФD	L4	L5	H4	H5	H6	C	D	ФD	A	B	Фd	A	B	H
RDCM1L-100L, M 3P	92	150	92	60	100	132	110	28.5	51	23	4.5	132	90	93	22	168	92	50	64	76	56	60	6.5	30	129	4.5	90	94	41
RDCM1L-100L 4P	122	150	92	90	100	132	110	28.5	51	23	4.5	132	90	93	22	168	92	50	64	76	56	60	6.5	30	129	4.5	90	125	41
RDCM1L-225 3P	107	165	90	70	133	144	110	22	62	22	4.0	144	93	100	24	183	94	50	71.5	86.5	54	70	6.5	35	126	4.5	88	110	51
RDCM1L-225L, M 4P	142	165	90	105	133	144	110	22	62	22	4.0	144	93	100	24	183	94	50	71.5	86.5	54	105	6.5	35	126	4.5	88	145	51
RDCM1L-400L 3P	150	257	106.5	96	221	227	149	38	89	65	6.0	224	164	108.5	32	279	-	60	83.5	106.5	129	60	8.5	44	194	7.0	166	152	58
RDCM1L-400L 4P	198	257	106.5	144	221	227	149	38	89	65	6.0	224	164	108.5	32	279	-	60	83.5	106.5	129	108	8.5	44	194	7.0	166	200	58
RDCM1L-630M/800L3P	210	280	115.5	140	240	240	157	43	81	66	4.5	243	158	84	48	296	-	61	97	148	143	140	10	70	243	7.0	183	213	58
RDCM1L-630M/800L4P	280	280	115.5	213	240	240	157	43	81	66	4.5	243	158	84	48	296	-	61	97	148	143	210	10	70	243	7.0	183	183	58

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