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CHINT NKB1 CPS (KBO) Motor Control Protection Switch

Regular price $271.00 NZD
Regular price $313.00 NZD Sale price $271.00 NZD
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Model NO.
Optional Suffix Codes

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
  1. 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.
  2. 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)
  3. 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

  1. All-in-one integrated design, reduce spare parts & wiring failure rate
  2. Manual local operation + remote electric control dual mode
  3. Flame retardant PA66 housing, arc suppression structure, long mechanical/electrical service life
  4. 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

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