Wengart 25A AC/DC Contactor 2-Pole 2NO for Smart Home & EV Installers to Stop Panel Buzzing Noise via UL Recognized Hum-Free Silent 18mm DIN Rail Design
$42.19
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- Residential Level 2 EV Charging: Stops dangerous terminal overheating and home safety code compliance failures under high continuous current draws by deploying a fully UL Certified dual-pole normally open (2NO) framework engineered to sustain a true 25A AC-1 resistive rating.
- Bedroom & Living Area Sub-Panels: Eliminates the annoying, non-stop mechanical buzzing humming noise common in traditional AC relays by integrating a specialized hum-free silent electronic coil architecture that locks standby power consumption at just 2.1VA (2.0W max).
- Domestic Motor & Pump Automations: Prevents catastrophic contact erosion and premature circuit burnouts caused by mixed-load configuration errors by clearly defining heavy-duty operational limits of 25A for heating (AC-1) and 9A for inductive motors (AC-3).
- Precision Control Box Assembly: Ends stripped screw threads, fractured casings, and high-resistance electrical hot spots during field wiring by specifying an exact 9mm strip length at 0.8 N·m torque for control loops and 14mm strip length at 3.5 N·m torque for power loops.
- Cramped Smart Home Energy Hubs: Resolves extreme enclosure crowding and short-term service lifespan wear by packing a premium frame built for 100,000 electrical operations into an ultra-slim 1-module 18mm space-saving footprint.
- Free 30-Day Returns
- Full Refund for Damaged or Incorrect Items
- Guaranteed Delivery or Money Back
- Secure Checkout & Fast Support
- Residential Level 2 EV Charging: Stops dangerous terminal overheating and home safety code compliance failures under high continuous current draws by deploying a fully UL Certified dual-pole normally open (2NO) framework engineered to sustain a true 25A AC-1 resistive rating.
- Bedroom & Living Area Sub-Panels: Eliminates the annoying, non-stop mechanical buzzing humming noise common in traditional AC relays by integrating a specialized hum-free silent electronic coil architecture that locks standby power consumption at just 2.1VA (2.0W max).
- Domestic Motor & Pump Automations: Prevents catastrophic contact erosion and premature circuit burnouts caused by mixed-load configuration errors by clearly defining heavy-duty operational limits of 25A for heating (AC-1) and 9A for inductive motors (AC-3).
- Precision Control Box Assembly: Ends stripped screw threads, fractured casings, and high-resistance electrical hot spots during field wiring by specifying an exact 9mm strip length at 0.8 N·m torque for control loops and 14mm strip length at 3.5 N·m torque for power loops.
- Cramped Smart Home Energy Hubs: Resolves extreme enclosure crowding and short-term service lifespan wear by packing a premium frame built for 100,000 electrical operations into an ultra-slim 1-module 18mm space-saving footprint.
In high-density residential breaker panels and home automation enclosures, relying on noisy, uncertified industrial relays is a significant liability that can fail strict home safety inspections. Traditional alternating current switches suffer from constant magnetic chattering and loud humming noises that disrupt living spaces, while consuming excessive standby power. The Wengart 2-Pole 2NO Modular Silent Contactor provides a professional, whisper-quiet, and space-saving solution for modern power automation. Featuring prestigious official UL safety certification and an ultra-narrow 18mm structural housing, this heavy-duty magnetic controller acts as a secure, long-term firewall for electric vehicle charging stations, pool pumps, backup energy arrays, and dedicated climate control zones.
The Dual-Advantage Powerhouse — Official UL Certification & True Hum-Free Silence
The number-one reason generic DIN rail contactors are returned is their tendency to develop a loud mechanical buzz over months of continuous energization, combined with the lack of verified safety credentials for residential use. Wengart addresses these critical defects head-on. First, our contactor has passed rigorous testing to achieve full UL certification, guaranteeing absolute fire-retardant and overcurrent structural safety. Second, it implements an advanced internal rectified coil layout. By managing an ultra-efficient, balanced power curve that locks both inrush power and holding consumption at an identical 2.1VA (limiting maximum thermal dissipation to 2.0W), this module remains completely hum-free throughout its service life. It delivers absolute silence inside basement bedrooms, utility closets, and interior living spaces.
Critical Load Calibration & Wiring Torque Notice
To guarantee a seamless installation experience and prevent accidental overloads or stripped threads, please review these professional setup parameters before wiring:
Understand Your Load Profile (AC-1 vs. AC-3): This contactor is optimized for dual capabilities. For non-inductive resistive loads like EV chargers, water heaters, and lighting arrays (AC-1), it handles up to a full 25 Amps smoothly. For inductive motor loads like HVAC compressors, fans, and drainage pumps (AC-3), the maximum safe capacity is 9 Amps. Please cross-check your equipment's current profile to prevent contact arcing.
Control Circuit (Coil) Wiring: Strip your low-voltage or signal copper leads to exactly 9mm and torque down the terminal screws firmly to 0.8 Nm.
Power Circuit (Contacts) Wiring: For heavy-gauge line inputs, strip the insulation back exactly 14mm and tighten securely to a heavy mechanical target of 3.5 Nm to ensure a low-resistance, vibration-proof connection.
Direct Solutions to Common Buyer Concerns - FAQ
Q: Can this contactor be used inside panels exposed to cold or high ambient temperatures?
A: Yes. The industrial-grade housing and coil insulation are engineered to handle harsh environmental shifts, maintaining a steady 100,000 electrical cycle lifespan across an operating temperature range spanning from -5°C to 60°C.
Q: Does this 2NO configuration drop both lines of a 240V split-phase circuit?
A: Exactly. Featuring a 2-pole Normally Open (2NO) layout, when the 120V AC coil receives power, both independent contacts close simultaneously to complete the circuit. When coil power is cut, it completely isolates both hot legs of your 240V appliance (such as an EV charger) for absolute physical separation.
Technical Specifications:
Model Frame Width: Ultra-Slim 18mm Profile (1-Module Space-Saving Dimension)
Safety Standard Certification: Fully UL Certified Panel Component
Contact Array Configuration: 2-Pole Normally Open (2NO Dual Line Disconnect)
Coil Trigger Input: 120V AC Core
Resistive Load Capacity (AC-1): 25 Amp Continuous (EV Charging, Lighting, Heating)
Inductive Load Capacity (AC-3): 9 Amp Max (Electric Motors, AC Compressors)
Power Performance Metrics: Standby Inrush 2.1VA / Holding 2.1VA (Max Dissipation 2.0W)
Electrical Operation Lifespan: 100,000 Rated Switching Cycles under full load
Control Terminal Blueprint: 9mm Wire Strip Length / 0.8 Nm Tightening Torque
Power Terminal Blueprint: 14mm Wire Strip Length / 3.5 Nm Tightening Torque
Operating Ambient Temperature Window: -5°C to 60°C
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
| Shipping Method | Estimated Delivery | Cost |
|---|---|---|
| Free Shipping (US) | 5–10 business days | Free, available on eligible items |
| Standard Shipping (US to US by Item) | 5–10 business days | $5.95 for the first item, $3.00 each additional |
| Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $5.95, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
| Extended Delivery (Ships from Overseas Warehouse) | 10–20 business days | $14.99 for the first item, $2.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
- Email: support@ibspot.com
- Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
- The item must be unused, in the same condition as received, and in its original packaging.
- A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
- Perishable goods (for example, food, flowers, newspapers, magazines)
- Intimate or sanitary goods
- Hazardous materials or flammable liquids/gases
- Gift cards
- Downloadable software
- Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
- Books with obvious signs of use
- Opened CDs, DVDs, software, or vinyl records
- Items not in their original condition, damaged, or missing parts not due to our error
- Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We may provide a return shipping label for your return. If the return is due to our error, such as receiving the wrong item, a damaged item, or a defective product, we will cover the return shipping cost.
If the return is due to the customer’s reason, such as ordering the wrong item, changing your mind, or no longer needing the item, the original shipping fee and the return label fee will be deducted from your refund amount.
If a return is sent back without prior contact or without using our provided label, we cannot be held responsible for any return shipping costs or delivery issues.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
- In-store returns are refunded to the original form of payment or issued as a gift card.
- Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
- 5–7 business days for the return to reach our Returns Center.
- An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
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