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YCKB7 Control and Protection Switchgear
The YCKB7 series control and protection switchgear (hereinafter referred to as “switch” or CPS)is mainly used in AC systems with a frequency of 50Hz, a rated working voltage of 690V and below, and a rated working current of 1.2-63A for low voltage distribution and motor control and protection circuits.
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Product Details
General
The YCKB7 series control and protection switchgear (hereinafter referred to as “switch” or CPS) is mainly used in AC systems with a frequency of 50Hz, a rated working voltage of 690V and below, and a rated working current of 1.2-63A for low voltage distribution and motor control and protection circuits.
It has the capability to protect against circuit overload and short circuits, with high breaking capacity. It also provides control functions for the connection and disconnection of circuit loads, and supports communication control for the switch’s operation, making it suitable for automatic control systems and remote control systems.
Standards: IEC 60947-1,IEC 60947-6-2
Type designation
YC KB7 - 63 / 63 M T
| Company code |
Shell frame |
Current | Voltage | Controller type | |
| YC | KB7 | 63 | 63 | M | T |
| Company code |
Control and protection switchgear |
/ | 1.2:0.3-1.2A 2.4:0.6-2.4A 6:1.5-6A 12:3-12A 18:7.2-18A 32:12-32A 45:18-45A 63:25-63A |
M:230V Q:400V |
None:Standard type T:Com munication type |
Operating conditions
1. Ambient temperature: -5°C~+40°C
2. Relative humidity: ≤50% at 40°C; ≤90% at 25°C
3. Altitude: ≤2000m
4. Environmental conditions: no harmful gases and vapors, no conductive or explosive dust, no
severe mechanical vibration
Technical date
Main technical data (main circuit)
| Serial number | Parameters | |||
| 1 | Frame rating | 63 | ||
| 2 | Rated operating voltage Ue | 400V、690V | ||
| 3 | Utilization category | AC-43,AC-44 | ||
| 4 | Conventional free air thermal current (Ith)(A) | 12 | 32 | 63 |
| 5 | Rated operational current(le)(A) | 1.2,2.4,6,12 | 1,832 | 4,563 |
| 6 | Rated frequency | 50Hz | ||
| 7 | Number of poles | 3 | ||
| 8 | Rated duty type | Intermittent Duty | ||
| 9 | Level 300,40%Workload | |||
| 10 | Rated short-circuit breaking capacity(Ics) | 50KA(AC400V),4KA(AC690V) | ||
| 11 | Breaking operation time | ≤2ms | ||
| 12 | Rated insulation voltage (Ui) | 690V | ||
| 13 | Rated impulse withstand voltage (Uimp) | 6KV | ||
| 14 | Electrical lifespan (AC-43)(10,000 operations) | 100(AC400V) | ||
| 15 | Mechanical lifespan (10,000 operations) | 1000 | ||
| Serial number |
Rated operational current le(A) | Overload setting current range Ir1(A) | Controllable motor power Pe(kW) | |
| 400VAC | 690VAC | |||
| 1 | 1.2 | 0.3~1.2 | 0.07～0.5 | 0.13～0.86 |
| 2 | 2.4 | 0.6~2.4 | 0.15～1.0 | 0.25～1.8 |
| 3 | 6 | 1.5~6 | 0.52～2.8 | 0.9~5.0 |
| 4 | 12 | 3~12 | 1.1~6.0 | 2.0~10 |
| 5 | 18 | 7.2~18 | 3.0~9.5 | 5.0~16 |
| 6 | 32 | 12~32 | 5.0～16.5 | 8.5~29 |
| 7 | 45 | 18～45 | 7.1~23.5 | 14~43 |
| 8 | 63 | 25~63 | 10~35 | 19~60 |
| Serial number | Control circuit | Control power supply voltage Us:230VAC/50Hz |
Maximum power consumption of the solenoid:4VA |
|
| 1 | Auxiliary switch circuit | 2NO+2NC | AC-15,230V,5A | DC-13,110V0.55A,24V15A |
| 2 | Auxiliary signal circuit | 2NO+1NC | 230VAC | Ith:5A |
| 3 | Alarm signal circuit | 1NO | 230VAC | Ith:5A |
| 4 | Communication module circuit | / | 24VDC |
Wiring diagram
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