NC8 Series Contactor (06–500A) – AC/DC

Key Specifications & Features (NC8 Series, 06–500 A)

General Description

• NC8 is a series of AC contactors. chintglobal.com+2chintglobal.com+2

• Designed for remote making and breaking of circuits, as well as motor control when used with overload relay. chint.co.in+1

• Standard: IEC / EN 60947-4-1. chint.co.in

Electrical Ratings

• Rated operational current: 6 A up to 500 A for this part of the series. chintglobal.com+2RS Components+2

• Rated voltage: up to 690 V AC for the 06–500 A models. chint.co.in

• Frequency: 50 / 60 Hz AC. Scribd

• Utilization categories: AC-1, AC-3, AC-4. chintglobal.com

Mechanical / Physical

• Poles: 3-pole (3P) and 4-pole (4P) configurations available. cenika.no

• Frame Sizes (examples): According to catalog: mini type (6 A, 9 A, 12 A), normal types up to higher current. chintglobal.com

• Mounting orientation: the inclination between the mounting plane and vertical must not exceed ± 5°. discover.chintglobal.com+1

• Protection (ingress): for smaller sizes (06 M to 65 A) — IP20; for larger (80–170 A) — IP10; for 205–500 A, IP00, though front face may be IP20 with shroud. chintglobal.com

Coil Options

• Coil types: AC coil or DC coil (for DC operation) — indicated in model as “/Z” for DC coil. cenika.no

• There is also a wide-voltage-range coil option for certain current ratings (e.g., 115–170 A). chintglobal.com

• Control (coil) voltages: According to Marex spec sheet: DC options like 12, 24, 48, 110, 125, 220, 250 V DC; AC options like 24, 36, 48, 110, 127, 220, 230, 240, 380, 400, 415 V AC. marex-distribution.com

Auxiliary Contacts / Configurations

• Auxiliary contact configurations vary by frame size / current rating:

  • Mini type (6–12 A): 01 = 1 NC; 10 = 1 NO. chintglobal.com

  • Normal type (9–38 A): standard is 1 NO + 1 NC; also option for 2 NO + 2 NC. Scribd

  • For 40–100 A: 4 NO or 2 NO + 2 NC (depending model) chintglobal.com

  • For large (115–500 A): “None” (in some models) = no extra aux contacts. chintglobal.com

• Reversing contactor option: designated by “/N” in the type code. chintglobal.com

Accessories & Add-ons

• There are a number of compatible accessories:

  • Mechanical interlock blocks cenika.no

  • Side-mount and front-mount auxiliary contact blocks chintglobal.com

  • Thermal overload relays cenika.no

  • Electronic overload relays Scribd

  • Pneumatic timers, surge arresters, busbars, etc. chintglobal.com

Type Designation / Model Numbering

• Basic format: NC8 – [current rating] [type] [aux code] / [coil type] / [combination]. chintglobal.com+1

  • “M” in the designation = Mini type (6–12 A) chintglobal.com

  • “/Z” = DC coil teslakala.com

  • “/N” = reversing contactor teslakala.com