Chint JS11S Series Time Relay

The Chint JS11S Series Time Relay is an energization-delay type device suitable for industrial automation control. It supports a wide range of power supply voltages and multi-gear delay settings, and is widely used in scenarios such as motor protection and timed start-stop of equipment. The following is a detailed explanation of its core information:

1. Product Features and Technical Parameters
2. Power Supply Compatibility

CHINT JSS48A-2Z AC220V Time Relay

It supports dual power input of Alternating Current (AC) and Direct Current (DC), with specific voltage ranges including:

– AC: 24V~48V, 100V~240V, 220V, 380V (50Hz)

– DC: 24V~48V, 100V~240V

The allowable voltage fluctuation range is 85%~110% of the rated value, enabling it to adapt to complex industrial environments.

2. Delay Accuracy and Range

Time Coverage

The delay range spans from 0.01 seconds to 99 hours and 59 minutos, with different models corresponding to different gears. Por exemplo:

– JS11S-05/M: 99.9é / 999é

– JS11S-A: 0.01s ~ 99.99s

– JS11S-99h99min: 1min ~ 99h59min

Accuracy

– When the delay time is more than 1 segundo, the error is ≤1%.

– When the delay time is less than 1 segundo, the error is ≤50ms.

3. Contact and Load Capacity

Contact Type

– 3 sets of Normally Open (NÃO) + 3 sets of Normally Closed (NC) contatos.

– Some models are configured with 2NO+2NC or 1NO+1NC contacts.

Capacidade de contato

– AC-15: 240V/0.75A

– DC-13: 220V/0.27A

– Conventional heating current: 5UM

Vida útil

– Mechanical life: ≥1×10⁶ operations

– Electrical life: ≥1×10⁵ operations

4. Adaptabilidade Ambiental

– Temperatura operacional: -5℃~40℃

– Umidade: ≤50% (at 40℃)

– Protection class: IP40 (operation surface), capable of resisting dust and solid foreign objects.

1. Guia de instalação e fiação
2. Panel Mounting

– Mounting hole size: 46mm×77mm; supporting mounting clips are required for fixation.

– Terminal layout:

Terminais de energia: Connect to AC/DC control voltage (pay attention to polarity distinction).

Reset/Pause Terminals: Do not apply external voltage; used to interrupt or reset the delay counting.

Contact Output Terminals: Connect to controlled equipment (por exemplo, contatores, solenoid valves).

2. Wiring Precautions

– Signal input wires should be kept away from high-voltage lines. Shielded wires should be used if necessary to reduce interference.

– Different models (por exemplo, JS11S-A) may have different wiring methods; refer to the corresponding wiring diagram.

III. Cenários típicos de aplicação

1. Automação Industrial

– Control delayed shutdown of motors after startup, or delayed alarm after equipment failure.

– Control the rhythm of workpiece conveying in production lines, such as intermittent operation of conveyors.

2. Energy and HVAC Systems

– Delayed start protection for air conditioning units to prevent compressor damage caused by frequent start-stop cycles.

– Delayed buffering during backup power switching to ensure stable system transition.

3. Lighting and Security

– Timed switching of public area lighting, combined with photosensitive sensors to achieve intelligent control.

– Delayed arming/disarming of security equipment to improve system flexibility.

1. Common Issues and Solutions
2. Equipment Not Working

Troubleshooting Steps

– Check if the power supply voltage is normal (measure terminals 1-2 with a multimeter), if wiring is loose, and if the reset terminal is incorrectly connected to voltage.

Typical Case

If the display screen shows no information, the issue may be reversed power polarity (for DC models) or a blown fuse.

2. Inaccurate Delay

Cause Analysis

Excessively high ambient temperature (exceeding 40℃), excessive power supply ripple, or incorrect delay gear setting.

Solution

Adjust the gear to an appropriate range, ensure stable power supply, and install a filter if necessary.

3. Contact Welding or Burning

Preventive Measures

Avoid long-term overload operation; connect surge absorbers (por exemplo, RC resistance-capacitance circuits) in parallel for inductive loads.

Recomendações de manutenção

Regularly clean the contact surface and use a multimeter to check for abnormal contact resistance.

1. Seleção de modelos e soluções alternativas
2. Model Selection Recommendations

Correspondência de tensão: Select the corresponding AC/DC voltage specification (por exemplo, AC220V, DC24V) based on the control circuit.

Delay Range: Prioritize the smallest gear that covers the required time to improve accuracy.

Function Expansion: For multi-gear delay or memory functions, consider the JS11S-A model.

2. Reference for Alternative Models

Domestic Alternatives

– People Electric JS11J (JSS14)

– Delixi JS11SD

(These models are parameter-compatible with JS11S.)

International Brands

– Omron H3CR-F

– Siemens 3RP15 Series

(Note the interface size and voltage compatibility.)

1. Considerations for the U.S. Mercado
2. Certificação e Conformidade

– Current search results do not clearly indicate that the JS11S has obtained UL certification. U.S. users need to purchase it through cross-border e-commerce platforms or industrial equipment distributors.

– For safety-critical scenarios, it is recommended to select models that comply with the UL 60947-5-1 padrão (por exemplo, Delixi JS11SD).

2. Adaptação de Tensão

– The commonly used power supply in North America is 120V/60Hz; confirm whether the selected model supports this specification (por exemplo, JS11S-99P9S127LX supports AC127V).

– If a step-down transformer is used, ensure the power margin is ≥1.5 times the relay power consumption (≤3VA).

Resumo

With its wide voltage compatibility, high-precision delay, and high reliability, the Chint JS11S Time Relay has become a mainstream choice in the industrial control field. Users should select the model based on specific application scenarios and pay attention to power supply adaptation and installation specifications. For the U.S. market, it is recommended to first confirm the certification status or consider alternative brands to ensure system compliance.