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It is not a contactor, but a CHINT NJMC1 series impulse relay, a low-power consumption bistable control electrical device.
Model Explanation
NJMC1: Model code of CHINT impulse relay series
16: Rated contact capacity (16A)
1PAG: 1 polo (single contact)
Parámetros principales
| Categoría | Details |
| Tipo de producto | Mechanical bistable impulse relay |
| Parámetros de contacto | Resistive load: 16Aire acondicionado/250 VCA; Potencia de conmutación máxima: 4000Virginia (C.A.) / 448W. (corriente continua) |
| Parámetros de la bobina | Rango de voltaje: AC 12~380V / DC 6~220V; Triggered only by pulse signal (no continuous power supply required) |
| Vida útil | vida electrica: 1×10⁵ operaciones; Vida mecánica: 2×10⁶ operations |
| Entorno operativo | Temperatura: -25℃~+55℃; Grado de contaminación: 1; Categoría de sobretensión: Ⅱ |
| Método de montaje | 35mm montaje en carril DIN |
| Dimensiones | 86×70×18mm |
Características principales
Bistable Design: The contact state is switched by pulse signal (duration 50ms~1s). No continuous power supply is needed after switching, featuring ultra-low power consumption (different from the continuous power supply of ordinary relays).
Alta compatibilidad: Complete AC/DC coil voltage specifications, suitable for different control circuits.
Miniaturization: Tamaño compacto, suitable for dense control cabinet layout.
Aplicaciones típicas
Suitable for low-power on-off control scenarios, como:
– Energy-saving control of lighting circuits
– Switching of small loads (p.ej., válvulas solenoides, indicator lights)
– Signal-triggered on-off circuits in automation equipment
Full Specification Selection Table of CHINT NJMC1 Series Impulse Relays
(Nota: All series adopt mechanical bistable design, triggered only by pulse signal, no continuous power supply required after switching, low power consumption and energy saving)
| Modelo | Number of Poles | Corriente nominal | Configuración de contacto | Optional Coil Voltage Specifications | Rated Load (Resistive) | Método de montaje | Dimensiones (L×W×H) | Peso (approx.) |
| NJMC1-10/1P | 1PAG | 10A | 1 changeover contact (1CO) | C.A.: 12V/24V/110V/220V/380V; corriente continua: 6V/12V/24V/48V/110V/220V | AC 10A/250V (3000Virginia); DC 10A/24V (240W.) | 35mm DIN Rail | 86×70×18mm | 85gramo |
| NJMC1-10/2P | 2PAG | 10A | 2 changeover contacts (2CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×36mm | 150gramo |
| NJMC1-10/3P | 3PAG | 10A | 3 changeover contacts (3CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×54mm | 210gramo |
| NJMC1-10/4P | 4PAG | 10A | 4 changeover contacts (4CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×72mm | 270gramo |
| NJMC1-16/1P | 1PAG | 16A | 1 changeover contact (1CO) | C.A.: 12V/24V/110V/220V/380V; corriente continua: 6V/12V/24V/48V/110V/220V | AC 16A/250V (4000Virginia); DC 16A/24V (384W.) | 35mm DIN Rail | 86×70×18mm | 90gramo |
| NJMC1-16/2P | 2PAG | 16A | 2 changeover contacts (2CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×36mm | 160gramo |
| NJMC1-16/3P | 3PAG | 16A | 3 changeover contacts (3CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×54mm | 225gramo |
| NJMC1-16/4P | 4PAG | 16A | 4 changeover contacts (4CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×72mm | 290gramo |
| NJMC1-20/1P | 1PAG | 20A | 1 changeover contact (1CO) | C.A.: 12V/24V/110V/220V/380V; corriente continua: 6V/12V/24V/48V/110V/220V | AC 20A/250V (5000Virginia); DC 20A/24V (480W.) | 35mm DIN Rail | 86×70×18mm | 95gramo |
| NJMC1-20/2P | 2PAG | 20A | 2 changeover contacts (2CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×36mm | 170gramo |
| NJMC1-20/3P | 3PAG | 20A | 3 changeover contacts (3CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×54mm | 240gramo |
| NJMC1-20/4P | 4PAG | 20A | 4 changeover contacts (4CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×72mm | 310gramo |
| NJMC1-25/1P | 1PAG | 25A | 1 changeover contact (1CO) | C.A.: 12V/24V/110V/220V/380V; corriente continua: 6V/12V/24V/48V/110V/220V | AC 25A/250V (6250Virginia); DC 25A/24V (600W.) | 35mm DIN Rail | 86×70×18mm | 100gramo |
| NJMC1-25/2P | 2PAG | 25A | 2 changeover contacts (2CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×36mm | 180gramo |
| NJMC1-25/3P | 3PAG | 25A | 3 changeover contacts (3CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×54mm | 255gramo |
| NJMC1-25/4P | 4PAG | 25A | 4 changeover contacts (4CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×72mm | 330gramo |
Key Selection Instructions (Essential for Sales/Quotation Scenarios)
- Core Selection Dimensions:
– Number of Poles (1P~4P): Select according to the number of control circuits (p.ej., 1P for single-circuit lighting, 3P for three-phase equipment);
– Corriente nominal (10A/16A/20A/25A): Load current ≤ 80% de corriente nominal (p.ej., it is recommended that the load of 16A model ≤ 12.8A);
– Voltaje de la bobina: Must match the customer’s control circuit voltage (AC 220V and DC 24V are the most commonly used specifications, which can be recommended first in quotation).
- Load Compatibility:
– Suitable for resistive loads (iluminación, hornos de resistencia) and low-power inductive loads (small solenoid valves, fans). For capacitive loads, derating by 50% se requiere.
- Quotation and Supply Tips:
– Regular coil voltages (CA 220 V., CC 24 V) are in sufficient stock, while special voltages (p.ej., AC12V, DC6V) need to be stocked 3~5 days in advance;
– Tiered prices are available for bulk purchases (≥ 100 unidades). Neutral packaging or CHINT original packaging is supported for export orders (to be specified in advance).
