Contator,disjuntor,inversor solar,medidor elétrico,baterias solares
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 (16UM)
1P: 1 pólo (single contact)
Core Parameters
| Category | Details |
| Product Type | Mechanical bistable impulse relay |
| Contact Parameters | Resistive load: 16A/250VAC; Maximum switching power: 4000VA (AC) / 448C (DC) |
| Parâmetros da bobina | Voltage range: AC 12~380V / DC 6~220V; Triggered only by pulse signal (no continuous power supply required) |
| Vida útil | Electrical life: 1×10⁵ operações; Mechanical life: 2×10⁶ operations |
| Ambiente Operacional | Temperatura: -25℃~+55℃; Pollution degree: 1; Overvoltage category: Ⅱ |
| Mounting Method | 35mm DIN rail mounting |
| Dimensões | 86×70×18mm |
Core Features
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).
High Compatibility: Complete AC/DC coil voltage specifications, suitable for different control circuits.
Miniaturization: Compact size, suitable for dense control cabinet layout.
Aplicações Típicas
Suitable for low-power on-off control scenarios, como:
– Energy-saving control of lighting circuits
– Switching of small loads (por exemplo, solenoid valves, indicator lights)
– Signal-triggered on-off circuits in automation equipment
Full Specification Selection Table of CHINT NJMC1 Series Impulse Relays
(Observação: 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 | Número de poloneses | Corrente nominal | Contact Configuration | Optional Coil Voltage Specifications | Rated Load (Resistive) | Mounting Method | Dimensões (L×W×H) | Peso (approx.) |
| NJMC1-10/1P | 1P | 10UM | 1 changeover contact (1CO) | AC: 12V/24V/110V/220V/380V; DC: 6V/12V/24V/48V/110V/220V | AC 10A/250V (3000VA); DC 10A/24V (240C) | 35mm DIN Rail | 86×70×18mm | 85g |
| NJMC1-10/2P | 2P | 10UM | 2 changeover contacts (2CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×36mm | 150g |
| NJMC1-10/3P | 3P | 10UM | 3 changeover contacts (3CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×54mm | 210g |
| NJMC1-10/4P | 4P | 10UM | 4 changeover contacts (4CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×72mm | 270g |
| NJMC1-16/1P | 1P | 16UM | 1 changeover contact (1CO) | AC: 12V/24V/110V/220V/380V; DC: 6V/12V/24V/48V/110V/220V | AC 16A/250V (4000VA); DC 16A/24V (384C) | 35mm DIN Rail | 86×70×18mm | 90g |
| NJMC1-16/2P | 2P | 16UM | 2 changeover contacts (2CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×36mm | 160g |
| NJMC1-16/3P | 3P | 16UM | 3 changeover contacts (3CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×54mm | 225g |
| NJMC1-16/4P | 4P | 16UM | 4 changeover contacts (4CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×72mm | 290g |
| NJMC1-20/1P | 1P | 20UM | 1 changeover contact (1CO) | AC: 12V/24V/110V/220V/380V; DC: 6V/12V/24V/48V/110V/220V | AC 20A/250V (5000VA); DC 20A/24V (480C) | 35mm DIN Rail | 86×70×18mm | 95g |
| NJMC1-20/2P | 2P | 20UM | 2 changeover contacts (2CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×36mm | 170g |
| NJMC1-20/3P | 3P | 20UM | 3 changeover contacts (3CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×54mm | 240g |
| NJMC1-20/4P | 4P | 20UM | 4 changeover contacts (4CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×72mm | 310g |
| NJMC1-25/1P | 1P | 25UM | 1 changeover contact (1CO) | AC: 12V/24V/110V/220V/380V; DC: 6V/12V/24V/48V/110V/220V | AC 25A/250V (6250VA); DC 25A/24V (600C) | 35mm DIN Rail | 86×70×18mm | 100g |
| NJMC1-25/2P | 2P | 25UM | 2 changeover contacts (2CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×36mm | 180g |
| NJMC1-25/3P | 3P | 25UM | 3 changeover contacts (3CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×54mm | 255g |
| NJMC1-25/4P | 4P | 25UM | 4 changeover contacts (4CO) | Same as 1P specification | Same as 1P specification | 35mm DIN Rail | 86×70×72mm | 330g |
Key Selection Instructions (Essential for Sales/Quotation Scenarios)
- Core Selection Dimensions:
– Número de poloneses (1P~4P): Select according to the number of control circuits (por exemplo, 1P for single-circuit lighting, 3P for three-phase equipment);
– Corrente nominal (10A/16A/20A/25A): Load current ≤ 80% of rated current (por exemplo, it is recommended that the load of 16A model ≤ 12.8A);
– Coil Voltage: 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 (lighting, resistance furnaces) and low-power inductive loads (small solenoid valves, fãs). For capacitive loads, derating by 50% is required.
- Quotation and Supply Tips:
– Regular coil voltages (AC220V, DC24V) are in sufficient stock, while special voltages (por exemplo, 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).
