Skip to main content
Expedited shipping available at checkout

Square D ECB14030G3 Miniature Circuit Breaker

  • 30A
  • 1 Pole
  • Bolt-On
Square D ECB14030G3
Miniature Circuit Breaker
Brand Square D
SKU ECB14030G3
Select Item Condition
Earn 232 SuperPoints
  • 30A
  • 1 Pole
  • Bolt-On

Quantity

Bulk Pricing
Send your parts list for a volume quote.
Square D ECB14030G3 1 Pole Circuit Breaker

Square D ECB14030G3 - 30A 1 Pole Miniature Circuit Breaker

New

$232.00 In Stock

Quantity

Similar Items

Description

Integrating automated switching capabilities, this 30A single-pole unit is purpose-built for commercial lighting management. It features an internal motor for remote on/off functionality. This bolt-on component mounts into Square D NF panelboards running the Powerlink G3 control system. Rated for 65kAIC at 120VAC, it includes the signature Visi-Trip indicator for rapid fault identification and carries both HACR and HID ratings for specialized loads.

Specifications

Key specifications
Brand Square D
Series ECB
Amperage 30A
Poles 1
Mounting Style Bolt-On
Voltage 120VAC, 277VAC
Phase 1
AIC Rating 65kA @ 120VAC, 14kA @ 277VAC
Fit and installation
Frame Type ECB
Terminal Type Lugs
For Use With Square D NF Panelboards, Powerlink G3 Lighting Control System
Wire Gauge 12-8 AWG (Al), 10-8 AWG (Cu)
Max Wire 8 AWG
Min Wire 12 AWG (Al), 10 AWG (Cu)
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Padlock Attachment
Accessories Load Side Lugs Included
Standards CSA C22.2 No. 5, HACR, HID, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features Remotely Operated, HACR Rated, HID Rated, Visual Trip Indicator

Product FAQs

6 answers
What panelboards accept the ECB14030G3 circuit breaker?

This breaker is designed for Square D NF series panelboards equipped with a Powerlink G3 control bus. It requires the control bus strip to utilize its remote switching capabilities.

How does the ECB14030G3 connect to the lighting control system?

The breaker features a built-in 6-pin connector on the bottom that plugs directly into the Powerlink G3 control bus strip in the panelboard. No additional low-voltage control wiring is required to the breaker itself.

Can the ECB14030G3 be operated manually during maintenance or a control system failure?

Yes. The breaker includes a manual override button on the front. Switching it to manual mode disconnects the remote control function, allowing you to operate the handle manually like a conventional circuit breaker.

Is the ECB14030G3 rated for specialized commercial loads?

Yes, this breaker is both HACR (Heating, Air Conditioning, and Refrigeration) and HID (High-Intensity Discharge) rated, making it suitable for automated commercial lighting and HVAC applications.

How does the ECB14030G3 indicate its operating status?

The breaker features a status window that displays white when the contacts are closed (ON), green when open (OFF), and red when the breaker has tripped due to an overcurrent or short circuit event.

What is the mounting torque specification for bolting the ECB14030G3 to the panelboard bus?

The terminal screw that secures the breaker to the tapped hole in the panelboard bus should be torqued to 20 to 30 lb-in (2 to 3 Nm).

SuperClub

Join free. Get 500 SuperPoints.

Earn points on eligible purchases and redeem them at checkout.

100 SuperPoints = $1 off.

Warranties

60-Day Warranty

Your purchase includes 60 days of SuperBreakers warranty coverage.

Get a Quote

Don’t see what you’re looking for?

We source obsolete and hard-to-find parts every day.

Shipping

Free Shipping Policy

Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.

Read our full shipping policy

Same Day Shipping

We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.

Expedited Shipments

Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.

International Shipping

All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.