J-D4A-017 LEACH Nonlatch Pdt Relay

Review LEACH Nonlatch Pdt 12 Amps Relay

The Leach J-D4A-017 Non-Latch PDT 12 Relay is a versatile and reliable electrical component designed for various automation and control applications. This 12-channel, normally open, non-latching, Solid State Relay (SSR) is manufactured by Leach International, a trusted name in the industry known for producing high-quality electrical components.

Each channel of this 12-relay module is rated for a maximum voltage of 28V DC and a maximum current of 3A. The non-latching feature signifies that the relay returns to its default state (open) once the input signal is removed. This makes it an excellent choice for applications where rapid switching is required and where the relay needs to return to its rest position quickly. The lack of a latching mechanism also simplifies the wiring requirements.

The Leach J-D4A-017 uses a Proximity Detection Technology (PDT) for its input. This means that the relay switches on only when the input signal is physically present, making it a more secure option compared to traditional opto-isolated relays. This technology also eliminates the need for an external snubber circuit, reducing the overall complexity of the system.

The compact size of this 12-relay module, measuring only 2.6 inches by 3.1 inches, makes it an ideal choice for space-constrained installations. The robust design, with a protection rating of IP20, ensures that the relay can withstand harsh environments, making it suitable for use in industrial applications.

The Leach J-D4A-017 Non-Latch PDT 12 Relay is easy to install and integrate into various control systems, thanks to its standardized size and simple wiring requirements. It comes with a clear and comprehensive labeling system, making it easy to identify each channel and input. The terminals are also accessible from the front, making the installation process more convenient.

With its high reliability, compact size, and ease of use, the Leach J-D4A-017 Non-Latch PDT 12 Relay is an excellent choice for a wide range of automation and control applications, from home automation projects to industrial control systems. It offers the convenience of solid-state technology, the security of Proximity Detection Technology, and the reliability of Leach International.

The Leach J-D4A-017 Non-Latch PDT 12 Relay is a type of electrical relay used in various automation, control, and monitoring systems. This relay comes with twelve normally open (NO) contacts and can be used to switch low-voltage AC or DC circuits. Here are some potential pros and cons of buying this relay:

1. Flexible Use: The Leach J-D4A-017 relay can be used in a wide range of applications, including HVAC systems, industrial control systems, security systems, and more.

2. Compact Size: With a small form factor, this relay can be easily integrated into various control panels and systems, making it a practical choice for many applications.

3. Cost-Effective: The Leach J-D4A-017 relay is relatively affordable compared to some other relays with similar specifications, making it a cost-effective option for many users.

1. Limited Current Capacity: This relay is rated for a maximum contact current of 5 amps, which may not be sufficient for high-power applications.

2. Manual Reset: The Leach J-D4A-017 relay is a non-latching type, which means it requires manual reset after each operation. This can be a disadvantage in applications where automatic reset is desirable.

3. Limited Operating Temperature Range: This relay has a relatively narrow operating temperature range of -20 C to 60 C, which may not be suitable for applications in extreme temperature environments.

The Leach J-D4A-017 Non-Latch PDT 12 Relay is a versatile and cost-effective option for low-power switching applications. Its compact size and flexible use make it an attractive choice for many automation and control systems. However, its limited current capacity, manual reset, and narrow operating temperature range may make it less suitable for high-power applications or environments with extreme temperatures.

If you require a relay for low-power switching applications with a compact size and flexible use, the Leach J-D4A-017 Non-Latch PDT 12 Relay could be a good option for you. However, if you require a relay with higher current capacity, automatic reset, or a wider operating temperature range, you may need to consider other options. It's essential to carefully evaluate your application requirements and consult the specifications of various relay models to make an informed purchasing decision.

Details:

Configuration: series: j, mounting style: d, terminal types: 4, coil voltage , nominal operating voltage : 28 vac, maximum 29 j.

specifications genpurrelays:

• brand: Leach
• mpn: J-d4a-017

returns genpurrelays:

• policy: returns accepted
• method: money back
• time: 30 days
• paid by: buyer

shipping genpurrelays:

• class: standard, one-day
• carrier: fedex
• service: fedex ground or fedex home delivery, fedex standard overnight
• transit: 3-10 days
• type: calculated

payments genpurrelays:

• other
• wallet: google-pay
• credit card: discover

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

offer genpurrelays:

• in stock #: 3
• options: ship-to-home
• sold #: 19
• availability: in stock
• best offers: true
• prices: $70.00–$395.00
• item condition:
  • New – Open box
  • Used
  • New
• started: june 25, 2025

seller genpurrelays:

• city: champaign, illinois
• rating: 99.8%
• # reviews: 16725