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CHINT NKB1 CPS (KBO) Motor Control Protection Switch
Regular price
$154.50 USD
Regular price
$178.50 USD
Sale price
$154.50 USD
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CHINT NKB1 CPS KBO Motor Control Protection Switch NKB1-45C M1/M3/M6/M12/M16/M25/M32/M45/M63/M80/M100/M125 AC220V/380V Integrated Circuit Breaker Contactor Overload Relay
CHINT NKB1 series CPS(KBO) integrated control protective switch, combine MCCB+contactor+thermal relay+isolator all-in-one, full motor protection(overload/short/phase loss/under-voltage), frame 45C, adjustable current 1A~125A, optional Isolation/Fire type, comply IEC60947-6-2 standard for pump/fan/fire cabinet control。
Model Code Explanation for CHINT NKB1 Series CPS Switch
NKB1-45C / M1/M3/M6/M12/M16/M25/M32/M45/M63/M80/M100/M125
- 45C: 45A frame size, economic Class C version, short-circuit breaking capacity: 35kA; Model NKB1-125 frame is available for rated current from 63A~125A.
-
M = Motor Type: Specially designed for motor circuit protection; the numeric figure stands for adjustable rated setting current(A):
M1(1A), M3(3A), M6(6A), M12(12A), M16(16A), M25(25A), M32(32A), M45(45A), M63(63A), M80(80A), M100(100A), M125(125A)
- Optional suffix codes:
- MG 隔离型 → MG Isolation Type
- MFG 消防隔离型 → MFG Fire Alarm + Isolation Type
- MLG 漏电隔离型 → MLG Earth Leakage + Isolation Type
-
MFLG 漏电消防隔离型 → MFLG Earth Leakage + Fire + Isolation Type
Product Overview
CHINT NKB1 is CPS(Control & Protective Switching Device, KBO type) modular integrated low voltage switch, 50/60Hz AC, rated voltage up to 690V, rated setting current 1A~125A, control motor power 0.12kW~55kW. It replaces separate circuit breaker, AC contactor, thermal overload relay, motor starter and isolator into one unit, save cabinet space & wiring cost, widely used for industrial motor, water pump, fan, HVAC and fire control distribution cabinet, certified IEC60947-6-2 & GB/T14048.9正泰电器.
Core Electrical Parameters
- Frame Grade：NKB1-45C(≤45A)、NKB1-125(63~125A)
- Adjustable Rated Current：1/3/6/12/16/25/32/45/63/80/100/125A
- Control Coil：MG=AC220V, FQ=AC380V
- Breaking Capacity：C Type 35kA@415V
- Auxiliary Contact: 06=3NO+2NC+Trip Fault + Fire Alarm Contact
Full Protection Functions
✅ Overload inverse-time long delay protection
✅ Short-circuit instantaneous/short-delay dual protection
✅ Phase failure & three-phase unbalance protection
✅ Overvoltage & undervoltage protection
✅ FG Fire version: overload alarm without power cut for fire linkage system
✅ G Isolation version: visible isolation break, safe maintenance正泰电器
Product Advantages
- All-in-one integrated design, reduce spare parts & wiring failure rate
- Manual local operation + remote electric control dual mode
- Flame retardant PA66 housing, arc suppression structure, long mechanical/electrical service life
- Modular expandable: leakage/Fire/Isolation/communication accessory optional
Application Scenarios
Water pump, exhaust fan, air-condition motor, fire fighting control cabinet, industrial automation control box, building power distribution system。
Specification
| Attribute | Details |
|---|---|
| Brand | CHINT |
| Model | NKB1-45C(M1/M3/M6/M12/M16/M25/M32/M45)、NKB1-125(M63/M80/M100/M125) |
| Series | NKB1 CPS / KBO Integrated Motor Control Protection Switch |
| Current Range | 1A~125A Adjustable |
| Control Voltage | AC220V(MG)/AC380V(FQ) |
| Aux. Contact | 3NO+2NC+Fault Alarm(Code 06) |
| Optional Variant | MG:Isolation Type；FG:Fire Alarm+Isolation Type |
| Compliance Standard | IEC60947-6-2 |
| Core Function | Motor On/Off Control + Overload/Short/Phase Loss Full Protection |
| Application | Pump,Fan,HVAC,Fire Cabinet,Motor Control Panel |
Care Instructions
Care Instructions
