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- LVD Low Voltage Disconnect Module. 12V / 30Am...
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Item #:
21420378
LVD Low Voltage Disconnect Module. 12V / 30Amp Black ABS Panel Mount Terminal Block
87% of respondents would recommend this to a friend
Item #:
21420378
ZMW 888
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Imported from USA store
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Automatic battery disconnect module for applications like solar systems, alarm systems, and mobile systems. Programmable voltage setting for disconnect and reconnect. Based on microcontroller and MOSFET.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Amp Capacity
Handles up to 30 Amps, making it ideal for various low voltage applications, ensuring reliable performance for power-hungry devices.
Durable Material
Constructed from high-quality black ABS plastic, ensuring long-lasting durability and resistance to environmental factors, enhancing overall lifespan.
Easy Installation
Panel mount terminal block design simplifies installation, allowing users to effortlessly integrate into existing systems, saving time and reducing setup complexity.
Product Details
- Operating Voltage: DC 6 to 18V, Rated current: 30 Amp.
- Automatically disconnects battery when voltage falls below user adjustable cutoff to protect electronics and prevent deep discharge during power outage.
- Smart Switch automatically reconnects battery when power is restored, prolonging battery life.
- Programmable voltage setting for Disconnect and Reconnect with emergency ON or OFF function.
- Microcontroller and MOSFET based for precise voltage and long-life switch output.
- Green-red dual color LED indication for output switch ON and OFF.
| Operation Mode | automatic |
| Current Rating | 30 A |
| Operating Voltage | 18 volts_of_direct_current |
| Contact Type | Normally Open |
| Connector Type | Screw |
| Switch Type | Rocker, Push Button |
| Terminal | Screw |
| Circuit Type | 1-way |
| Mounting Type | Panel Mount |
| Actuator Type | Push Button |
| Number of Positions | 1 |
| Controller Type | Ring |
| Control Method | Push Button |
| Connectivity Protocol | Wi-Fi |
| Wattage | 540 watts |
| Control Type | manual override |
| Compatible Devices | Cellphone |
| Item Dimensions | 3.18 x 3.18 x 1.18 inches (8.1 x 8.1 x 3 cm) |
| Unit Count | 1 Count |
| Number of Items | 1 |
| Material Type | Acrylonitrile Butadiene Styrene |
| Contact Material | Plastic |
| Brand Name | CZH-LABS |
| Model | D-1021-12V |
| Manufacturer | Electronics-Salon |
| Item Weight | 0.1 kg |
| Part Number | MD-D1021V3 Series |
| Color | Black |
| Brand | CZH-LABS |
| Material | Acrylonitrile Butadiene Styrene |
| Item dimensions L x W x H | 3.18 x 3.18 x 1.18 inches (8.1 x 8.1 x 3 cm) |
| Package Weight | 1.27 Pound (580 grams) |
Who Should Buy?
-
Solar Power Systems
Ideal for users relying on solar panels and batteries, preventing battery damage from low voltage discharges.
-
Automotive Applications
Perfect for automotive battery management, prolonging battery life and ensuring system reliability under low voltage conditions.
-
RV Owners
Great for RV users to automatically disconnect power to prevent battery drain during storage or non-use periods.
-
High Voltage Systems
Not suitable for applications requiring higher voltage levels beyond 12V, which may damage the module.
Product Description
LVD Low Voltage Disconnect Module. 12V / 30Amp Black ABS Panel Mount Terminal Block
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Customer Questions & Answers
-
Question:
What is the rated current for the device?
Answer: The rated current for the device is 30 Amp. -
Question:
What are the applications suitable for this device?
Answer: The device is suitable for Solar systems, Alarm systems, UPS systems, Mobile systems, or any application where you need to protect the battery from total discharge. -
Question:
What kind of LED indication is provided?
Answer: A green-red dual color LED indication for output switch ON and OFF is provided.
CZH-LABS Energy Controllers Editorial Review
LVD Low Voltage Disconnect Module. 12V / 30Amp Black ABS Panel Mount Terminal Block is designed to automatically protect batteries from deep discharges. A notable feature is its ability to adjust voltage cut-off settings using dip switches, allowing users to tailor it to their specific needs. Customers have expressed satisfaction with its straightforward installation and effective functionality, stating it successfully prevents battery drain during low voltage conditions. This product has been particularly popular for use in solar setups and vehicles, providing peace of mind by cutting off power to devices when battery levels are critically low, and resuming once charges are detected. Overall, it combines user-friendliness with reliability, making it a recommended choice for battery management.
Customer Reviews & Ratings
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Pros
- Automatic operation prevents deep battery discharges
- Adjustable voltage cut-off settings
- Easy panel mount installation
- Compatible with various 12V systems
- Durable ABS material for longevity
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Features & Benefits
- Automatic battery disconnect and reconnect module
- Programmable voltage setting
- Based on microcontroller and MOSFET
- Suitable for Solar systems, Alarm systems, UPS systems, Mobile systems, or any application where you need to protect the battery from total discharge
- Green-red dual color LED indication for output switch ON and OFF
- Rated current: 30 Amp
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