Description
Blue Sea 3121 SMS Panel Enclosure w/ELCI | Boat Supply Store
This pre-configured enclosure addresses the critical need for safe and compliant 230V AC shore power systems by integrating a 16A Equipment Leakage Circuit Interrupter (ELCI) main breaker. Constructed from durable, glass-filled polycarbonate with a seamless PUR gasket, it ensures exceptional water resistance suitable for harsh marine environments, featuring overall dimensions of 7.6" H x 7.4" W x 4.7" D. It also provides three blank apertures for tailored circuit breaker configurations, allowing marine electricians and boat owners to meet stringent ABYC E-11 standards.
Key Features
- Compliant Safety with integrated 16A ELCI main breaker for ground fault protection
- Customizable Load via three blank apertures for additional breakers
- Durable Construction from glass-filled polycarbonate base and clear cover
- Enhanced Water Resistance with overlapping cover and seamless PUR gasket
- Convenient Hinge with easily removable stainless steel pin
- Watertight Connections utilizing included waterproof glands
- Clear Status Indication with Red Reverse Polarity LED
- System Monitoring via three Green ON indicator LEDs
Specifications
| Product Specifications | |
|---|---|
| Voltage | 230V AC |
| Amperage | 16A |
| Breaker Type | ELCI Main |
| Blank Apertures | 3 |
| Construction Material | Glass-filled polycarbonate |
| Cover Type | Clear, overlapping |
| Gasket Material | PUR |
| Hinge Pin Material | Stainless Steel |
| Indicator LEDs | 1 Red (Reverse Polarity), 3 Green (ON) |
| Overall Dimensions | 7.6" H x 7.4" W x 4.7" D |
| Enclosure Internal Dimensions | 6" H x 6" W x 4" D |
| Breaker Compatibility | Carling Technologies™ A and C Series |
Who This Is For
This panel enclosure is engineered for marine electricians, boat owners, and boat builders who require a robust, compliant AC electrical panel for 230V AC systems. It is particularly suited for installations demanding an ELCI main breaker for essential shore power protection and customizable breaker arrangements.
How It Compares
| Feature | Blue Sea 3121 SMS Panel Enclosure w/ELCI | Blue Sea Systems 3120 |
|---|---|---|
| Integrated ELCI Main Breaker | 1 x 16A | Typically less capable |
| Number of Blank Apertures | 3 | 3 |
| Reverse Polarity LED Indicator | Yes (1 x Red) | No |
| ON Indicator LEDs | Yes (3 x Green) | No |
Common Concerns Answered
Are the installation instructions for the Blue Sea 3121 detailed enough?
While customers note the instructions could be more comprehensive for highly complex setups, the enclosure's robust build and essential safety features are widely praised. For standard installations, the provided documentation is typically sufficient, and professional marine electrical guidance can be sought for intricate requirements.
Is the Blue Sea 3121 enclosure expensive compared to other options?
The initial investment for the Blue Sea 3121 may be higher than generic alternatives. However, this is justified by its superior build quality, integrated ELCI protection, compliance features, and the reliability expected from Blue Sea Systems products, offering long-term value and safety.
What is the price point of the Blue Sea 3121?
The Blue Sea 3121 SMS Panel Enclosure typically ranges between $180 and $230. While this represents a higher upfront cost than some basic enclosures, the integrated ELCI breaker and superior construction provide significant safety and compliance benefits for 230V AC shore power systems.
Frequently Asked Questions
What is the amperage rating of the ELCI breaker in the Blue Sea 3121 panel enclosure?
The Blue Sea 3121 panel enclosure features an integrated 16A ELCI main breaker for 230V AC shore power systems.
What type of circuit breakers can be installed in the blank apertures of the Blue Sea 3121 enclosure?
The blank apertures in the Blue Sea 3121 enclosure are designed to accommodate Carling Technologies™ A and C Series breakers, allowing for customization of your electrical panel.
Does the Blue Sea 3121 enclosure meet ABYC E-11 standards?
Yes, when properly installed with an ELCI main circuit breaker and mounted within 10' of the AC shore power inlet, the Blue Sea 3121 enclosure helps meet ABYC E-11 standards for AC shore power systems.
What are the dimensions of the Blue Sea 3121 SMS Panel Enclosure?
The overall dimensions of the Blue Sea 3121 enclosure are 7.6 inches in height, 7.4 inches in width, and 4.7 inches in depth. The internal enclosure dimensions are 6" H x 6" W x 4" D.
What is included in the Blue Sea 3121 enclosure package?
The Blue Sea 3121 enclosure package includes the SMS Panel Enclosure itself, a pre-installed 16A ELCI main breaker, three blank apertures for custom breakers, a clear overlapping cover with a PUR gasket, waterproof glands, and LED indicators for reverse polarity and ON status.
