YCP6 Motor Starter

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YCP6 Motor Starter

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YCP6 Motor Starter

YCP6 series Motor protection circuit breaker (also known as: Motor Protector or Motor starter, hereinafter referred to as “circuit breaker”)is suitable for AC voltage to 690V, the highest current to 80A circuit, is a circuit breaker integrating the functions of isolation switch, circuit breaker and thermal relay with isolation protection, overload protection, temperature compensation, phase failure protection, short circuit protection. Application range: three-phase mouse cage asynchronous motor direct start and control, distribution line protection and infrequent load conversion.

Standard: IEC60947-2, 60947-4-1.

Product Details

General

Standard: IEC60947-2, 60947-4-1.

Type designation

Model	Frame current	Operating method	Rated current
YCP6	32	P	0.16
Motor Circuit Breaker	32:32A 80:80A	P: Knob operation	32A: 0.16 0.25 0.4 0.63 1 1.6 2.5 4 6.3 10 14 18 23 25 32	80A: 25 32 40 50 65 73 80

Operating Conditions

1. The altitude of the installation site is generally not more than 2000m.

2. The lower limit of ambient air temperature is generally not lower than -5°C, and the upperlimit is generally not higher than +40°C.

3. The relative humidity of the air is not more than 50% when the temperature is +40°C,and the minimum monthly temperature of the wettest month is 25°C, and the monthly average maximum relative humidity is not more than 90%.

4. The surrounding environment pollution level is 3.

5. Starter installation categories are III.

6. The inclination of the mountion surface and the vertical plane is not more than ±5°.

7. Rated working system: uninterrupted working system, intermittent working system.

Operating Conditions

1. Rated insulation voltage Ui(V): 690

2. Rated impulse withstand voltage Uimp(kV): 8

3. Rated operating voltage Ue(V): 230/240, 400/415, 440, 500, 690

4. Rated frequency(Hz): 50, 60

5. Frame rated current lnm(A): 80A

6. Rated current ln(A): see Table 1

Hot component setting current adjustment range: rated limit and rated operating short-circuit breaking capacity see Table 1.

Table 1.

Model	Rated currentln (A)	Setting current adjustment range (A)	Rated ultimate short-circuit breaking capacity ICU,rated operating short circuit breaking capacity ICS (KA)								Flashover distance (mm)
			Standard Breaking Capacity				High Breaking Capacity
			400/415V		690V		400/415V		690V
			ICU	ICS	ICU	ICS	ICU	ICS	ICU	ICS
YCP6-32P-0.16	0.16	0.1-0.16	100	100	100	100	100	100	100	100	40
YCP6-32P-0.25	0.25	0.16-0.25	100	100	100	100	100	100	100	100	40
YCP6-32P-0.4	0.4	0.25-0.4	100	100	100	100	100	100	100	100	40
YCP6-32P-0.63	0.63	0.4-0.63	100	100	100	100	100	100	100	100	40
YCP6-32P-1	1	0.63-1	100	100	100	100	100	100	100	100	40
YCP6-32P-1.6	1.6	1-1.6	100	100	100	100	100	100	100	100	40
YCP6-32P-2.5	2.5	1.6-2.5	100	100	3	2.25	100	100	8	8	40
YCP6-32P-4	4	2.5-4	100	100	3	2.25	100	100	8	8	40
YCP6-32P-6.3	6.3	4-6.3	100	100	3	2.25	100	100	6	6	40
YCP6-32P-10	10	6-10	100	100	3	2.25	100	100	6	6	40
YCP6-32P-14	14	9-14	15	7.5	3	2.25	100	100	6	6	40
YCP6-32P-18	18	13-18	15	7.5	3	2.25	50	25	4	4	40
YCP6-32P-23	23	17-23	15	6	3	2.25	50	25	4	4	40
YCP6-32P-25	25	20-25	15	6	3	2.25	50	25	4	4	40
YCP6-32P-32	32	24-32	10	6	3	2.25	50	25	4	4	40
YCP6-80P-25	25	17-25	1	/	/	1	100	100	6	3	50
YCP6-80P-32	32	23-32	/	1	/	1	100	100	6	3	50
YCP6-80P-40	40	30-40	1	/	/	1	50	50	6	3	50
YCP6-80P-50	50	37-50	1	/	/	1	50	50	6	3	50
YCP6-80P-65	65	48-65	1	/	/	/	50	50	6	3	50
YCP6-80P-73	73	62-73	1	1	/	1	50	30	6	3	50
YCP6-80P-80	80	70-80	1	/	/	1	50	30	6	3	50

Table 2.

Type	Standard power ratings of 3-phase molors 50/60Hz in category AC-3						Current setting range
	230/240V	400V	415V	440V	500V	690V
	kW	kW	kW	kW	kW	kW
YCP6-32P-0.16	-	-	-		-	-	0.1-0.16
YCP6-32P-0.25	-	-	-		-		0.16-0.25
YCP6-32P-0.4	-	-	-	-	-	-	0.25-0.4
YCP6-32P-0.63	-	-	-	-	-	0.37	0.4-0.63
YCP6-32P-1	-	-		0.37	0.37	0.55	0.63-1
YCP6-32P-1.6	-	0.37	-	0.55	0.75	1.1	1-1.6
YCP6-32P-2.5	0.37	0.75	0.75	1.1	1.1	1.5	1.6-2.5
YCP6-32P-4	0.75	1.5	1.5	1.5	2.2	3	2.5-4
YCP6-32P-6.3	1.1	2.2	2.2	3	3.7	4	4-6.3
YCP6-32P-10	2.2	4	4	4	5.5	7.5	6-10
YCP6-32P-14	3	5.5	5.5	7.5	7.5	9	9-14
YCP6-32P-18	4	7.5	9	9	9	11	13-18
YCP6-32P-23	5.5	11	11	11	11	15	17-23
YCP6-32P-25	5.5	11	11	11	15	18.5	20-25
YCP6-32P-32	7.5	15	15	15	18.5	25	24-32
YCP6-80P-25	5.5	11	11	11	15	18.5	17-25
YCP6-80P-32	7.5	15	15	15	18.5	22	23-32
YCP6-80P-40	1	18.5	18.5	1	1	30	30-40
YCP6-80P-50	/	30	30	1	/	45	37-50
YCP6-80P-65	1	30	30	1	/	45	48-65
YCP6-80P-73	1	37	37	/	1	55	62-73
YCP6-80P-80	1	37	37	/	/	55	70-80

The enclosure protection class is IP20.

The operating performance of the circuit breaker is shown in Table 3.

Table 3.

Type	Frame size rated current Inm	Hourly operation cycles	Operation cycle number
			Electrical life	Mechanical life
YCP6-32P	32	120	10000	100000
YCP6-80P	80	120	10000	20000

Overcurrent action protection

See Table 4, Table 5, and Table 6 for the action characteristics of the circuit breaker when each phase is balanced and unbalanced.

Table 4 Operating characteristics of the circuit breaker when the phases are balanced (Distribution protection)

Type	Distribution breaker			Circumstance temperature
	Setting current multiple	Tripping time	Status
YCP6-32P YCP6-80P	1.05	1h non-tripping	Initial	+20℃±2℃
	1.3	1h tripping	Following serial 1
	1.5	<2min tripping

Table 5 Action characteristics of balanced load of each phase of the circuit breaker (Motor protection)

Type	Distribution breaker			Circumstance temperature
	Setting current multiple	Tripping time	Status
YCP6-32P YCP6-80P	1.05	2h non-tripping	Initial	+20℃±2℃
	1.2	2h tripping	Following serial 1
	1.5	Action within 2 minutes
	7.2	2~10s 2h tripping	Initial

Table 6 The action characteristics of the circuit breaker when the load is unbalanced (phase break)

Type	Setting current multiple		Status	Specified time	Expected results	Circumstance temperature
	Any two-phase	Third phase
YCP6-32P YCP6-80P	1.0	0.9	Cold state	t≥2h	non-tripping	+20℃±2℃
	1.15	0	Thermal state (In immediate order 1.)	t≤2h	tripping

Table 7 The instantaneous electromagnetic buckle action characteristics of short circuit device are shown

Type	Test current	Start status	Specified time	Expected results	Circumstance temperature
YCP6-32P YCP6-80P	0.8×12×In	Cold state	t≥0.2s	non-tripping	+20℃±5℃
	1.2×12×In	Cold state	t≤0.2s	tripping	+20℃±5℃

Accessories

Attachment Name	YCP6-32P/YCP6-80P	Accessory Specifications
Undervoltage release	YCP6-AU115	110~150V,50Hz;127V,50Hz
	YCP6-32PAU225	220~240V,50Hz
	YCP6-32PAU385	380~400V,50Hz;400V,60Hz
Shunt release	YCP6-32P AS115	110~150V,50Hz;127V,60Hz
	YCP6-32P AS225	220~240V,50Hz
	YCP6-32P AS385	380~400V,50Hz;440V,60Hz
Instantaneous auxiliary contacts (front hanging)	YCP6-32P AE20	2NO
	YCP6-32P AE11	1NO+1NC
Instantaneous auxiliary contacts (side hanging)	YCP6-32PAN20	2NO
	YCP6-32P AN11	1NO+1NC
Fault signal contacts and instantaneous auxiliary contacts	YCP6-32PAD1010	Fault signal contact NO	NO
	YCP6-32PAD1001		NC
	YCP6-32PAD0110	Fault signal contact NC	NO
	YCP6-32PAD0101		NC

YCP6 Motor Starter -Undervoltage release

Undervoltage release

Performance of the YCP6-32 AU115, AU225, AU385 of the Undervoltage stripper: Rated insulated voltage Ui (V):690.

Motion Characteristics:

When the voltage drops to the range of 70% and 35% of the rated voltage, the undervoltage stripper shall act; The Undervoltage stripper shall be able to prevent the starter from closing when the supply voltage is less than 35% of the rated voltage of the stripper, and the undervoltage stripper shall be able to ensure the closure of the starter when the supply voltage is equal to or greater than 85% of the rated voltage

Shunt release

Performance of the YCP6-32 AS115, AS225, AS385 of the shunt release.

Rated insulated voltage Ui (V): 690

Action characteristics:

The operating voltage range of the shunt release stripper is 70%~110% of the rated operating voltage.

Upper auxiliary AE-11,AE-20

Performance of instantaneous auxiliary contact YCP6-32 AE20, AE11 (front hanging):

Rated insulated voltage Ui (V): 250;

Agreed heating current lth (A): 2.5;

The use category of instantaneous auxiliary contacts, rated operating voltage and rated operating current are shown in the table below.

Working with categories	AC-15				DC-13
Rated operating voltage Ue(V)	24	48	110/127	230/240	24	48	60
Rated operating current le(A)	2	1.25	1	0.5	1	0.3	0.15
Normal working power P(W)	48	60	127	120	24	15	9

The abnormal connection and breaking ability of fault signal contacts and

instantaneous auxiliary contacts are shown in the following table

Working with categories	Connected			Division			Number of cycles and operating frequencies of the pass-through operation
	I/le	U/UE	cosφ or T0.95	I/le	U/UE	cos中or T0.95	Number of Operation Loops	Number of operation cycles per minute	Electrified time
AC-14	24	48	48	6	1.1	0.7	24	48	60
AC-15	2	1.25	1.25	10	1.1	0.3	1	0.3	0.15
DC-13	48	60	60	1.1	1.1	6Pe	24	15	9

YCP6-32P Knob type product extension handle

Attachment Type

Function

YCP6 Motor Starter - Knob type product extension handle

AP02

off position locked with
padlock,IP54

YCP6 Motor Starter - Knob type product extension handle 2

AP02

off position locked with
padlock,IP54

Overall and mounting dimensions(mm)

YCP6 Motor Starter Overall and mounting dimensions (2)

YCP6 Motor Starter Overall and mounting dimensions (3)

YCP6 Motor Starter Overall and mounting dimensions

FAQ About Motor Starters

Below are the most high-intent FAQ topics for YCP6 Motor Starter pages. These questions focus on what users most often search before selecting, using, or comparing a motor starter or motor protection circuit breaker.

What is a motor starter and what does it do?

A motor starter is a device used to start, stop, and protect an electric motor. It helps control motor operation while providing protection against faults such as overload, short circuit, and phase failure. In many industrial applications, a motor starter improves operational safety and helps extend motor service life.

What is the difference between a motor starter and a circuit breaker?

A standard circuit breaker mainly protects the circuit from overload and short circuit, while a motor starter is designed specifically for motor applications. A motor starter can combine isolation, switching, overload protection, short circuit protection, and motor-specific functions such as phase failure protection, making it more suitable for motor control systems.

What is the difference between a motor starter and a contactor?

A contactor is primarily used to switch the motor on and off, while a motor starter usually includes both switching and protection functions. In practical applications, a motor starter can work independently or together with a contactor, depending on the control method and protection requirements of the motor system.

How do I choose the right motor starter size?

The right motor starter should be selected based on the motor’s rated current, voltage, power, and starting method. YCP6 supports applications up to AC 690V and 80A, with multiple adjustable current ranges for different motor sizes, making it suitable for a wide range of three-phase motor protection and control applications. :contentReference[oaicite:1]{index=1}

What protection does a motor starter provide?

A motor starter can provide several important protection functions, including overload protection, short circuit protection, isolation protection, and phase failure protection. YCP6 also includes temperature compensation and is designed for direct starting and control of three-phase squirrel-cage asynchronous motors. :contentReference[oaicite:2]{index=2}

What is phase failure protection in a motor starter?

Phase failure protection helps prevent motor damage when one phase of a three-phase power supply is lost or becomes unbalanced. Without this protection, the motor may overheat, lose torque, or fail prematurely. This is an important function for maintaining reliable motor performance in industrial systems.

Can a motor starter be used for three-phase motors?

Yes, motor starters are widely used for three-phase motor applications. YCP6 is designed for direct start and control of three-phase squirrel-cage asynchronous motors and can also be used for distribution line protection and infrequent load switching. :contentReference[oaicite:3]{index=3}

What is a manual motor starter?

A manual motor starter is a motor control device operated directly by a handle or rotary knob, allowing users to start or stop the motor manually while still providing protective functions. YCP6 uses knob operation and combines motor protection and control in one compact device. :contentReference[oaicite:4]{index=4}

Does a motor starter include overload protection?

Yes, overload protection is one of the core functions of a motor starter. It helps disconnect the motor when current remains above the safe operating range for too long, reducing the risk of overheating and winding damage. For motor applications, overload protection is essential for safe and reliable operation.

What accessories can be added to a motor starter?

Depending on the application, a motor starter can be equipped with accessories such as auxiliary contacts, fault signal contacts, undervoltage release, shunt release, and external operating handles. YCP6 supports these accessory options, allowing more flexible control, signaling, and protection in motor control panels. :contentReference[oaicite:5]{index=5}