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NJS1 Time Delay Relay

NJS1 Time Delay Relay

NJS1 Time Delay Relay

NJS1 Time Delay Relay

The CHINT NJS1 Time Delay Relay is a high-precision control relay designed to manage the timed connection and disconnection of circuits in industrial control systems. Suitable for both AC (up to 380V) and DC (up to 240V) operation, it offers multi-stage delay settings and external reset/pause options for versatile control. With a compact design, LED indicators, and compatibility with IEC 60947-5-1, the NJS1 is ideal for automation, motor control, and process timing in power and manufacturing environments.

Product Information

Standard compliance: IEC 60947-5-1
Rated control supply voltage (Us):
- AC/DC 24–48V
- AC/DC 100–240V
- AC 220V
- AC 380V
Frequency: 50 / 60 Hz
Voltage fluctuation range: 85%–110% Us
Contact configuration:
- NJS1: 1 changeover contact
- NJS1-2Z / 11: 2 changeover contacts
- NJS1-K: 1 delayed + 1 instantaneous contact
- NJS1-S: 1 changeover contact with cyclic delay
Operation methods:
- Power-on delay
- Cycle delay (depending on version)
Timing modes: Normal timing / countdown / cyclic delay
Delay range:
- 0.01–99.99 s
- 0.1–999.9 s
- 1–9999 s
- 0.1–999.9 min
- 1–9999 min
- 0.1–999.9 h
- 1–9999 h
- Multi-stage delay (time base selectable)
Delay accuracy: ≤ ±0.5% ± 50 ms
Reset time: ≤ 1 s
Contact capacity:
- AC-15: 240V / 0.75A, 415V / 0.47A
- DC-13: 220V / 0.27A
- Ith: 5A
Electrical life: ≥ 100,000 operations
Mechanical life: ≥ 10 million operations
Installation method: Panel or rail mount
Compatible base types:
- Panel: CZS08S, CZS11S, CZS08G
- Rail: CZS08C, CZF11A-E
Ambient temperature: −5°C to +40°C
Storage temperature: −25°C to +70°C
Enclosure protection: IP20 (terminals) / IP40 (housing)
Overall dimensions: 46 × 46 × 123 mm
Cutout size: 45.4 × 45.4 mm
Weight: ~0.2 kg

Name

Size

Release time

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NJS1-Time-delay Relay-Catalog.pdf

231.91KB

2024-09-19

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Name

Size

Release time

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2111-NJS1-H-Time-delay Relay-Manual.pdf

2.36MB

2025-03-13

Download

2111-NJS1-Time-delay Relay-Manual.pdf

1.48MB

2025-03-13

Download

2111-NJS1-M-Time-delay Relay-Manual.pdf

2.37MB

2025-03-13

Download

Name

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2005-NJS1-Time-delay Relay-CE Certificate.pdf

90.17KB

2025-03-13

Download

1906-NJS1-Time-delay Relay-UL Certificate.pdf

258.41KB

2025-03-13

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Name

Size

Release time

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NJS1-Time-delay Relay-Drawing-3D.stp

2.98MB

2025-03-25

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FAQs

What is the main function of the NJS1 Time Delay Relay?

It provides timed switching in electrical control circuits, allowing delayed activation or deactivation of connected loads.

What delay ranges are supported?

The NJS1 supports delays from 0.01 seconds up to 9999 hours, with selectable time bases and multi-stage delay options.

Can the relay operate with both AC and DC control voltage?

Yes. It supports AC/DC 24–48V, 100–240V, and dedicated AC 220V/380V inputs.

What is the timing accuracy of this relay?

The NJS1 provides ±0.5% ± 50 ms precision, ensuring reliable and repeatable timing performance.

How can it be installed?

It supports panel and rail mounting via standard bases (CZS08S, CZF11A-E), offering flexibility for industrial control systems.