1. Introduction
This manual provides essential information for the safe and proper handling, installation, operation, and maintenance of the Siemens MC2040B1200S Meter Load Center Combination. This unit is a 200 Amp rated meter-load center combination designed for utility areas requiring EUSERC standards. It features a 200 Amp main breaker, a 20-space, 40-circuit interior, and a NEMA 3R outdoor-rated, surface-mount enclosure made from galvanized steel with a baked-on polyester powder coating finish. The meter cover is ring type, and the panel is rated for overhead service feed only, accepting Electric enter "RX" class hubs.
Important: Installation and service of this electrical equipment must be performed by qualified personnel only, in accordance with all national and local electrical codes and utility requirements.
2. Safety Information
Always observe the following safety precautions to prevent personal injury or damage to the equipment:
- Disconnect Power: Always ensure that all power to the unit is disconnected at the main service entrance before performing any installation, maintenance, or inspection.
- Qualified Personnel: Only licensed electricians or qualified personnel should install, service, or troubleshoot this equipment.
- Personal Protective Equipment (PPE): Wear appropriate PPE, including safety glasses, insulated gloves, and arc-flash protection, when working with electrical systems.
- Local Codes: Adhere strictly to all national, state, and local electrical codes, as well as utility company requirements.
- Proper Grounding: Ensure the unit is properly grounded according to electrical codes.
- Environmental Conditions: This unit is NEMA 3R rated for outdoor use. Ensure proper sealing and protection from environmental elements as designed.
3. Product Features
- Suitable for use only as service entrance equipment.
- Designed for Overhead feed applications.
- Outdoor Enclosure NEMA Type 3R for weather resistance.
- 22,000 AIC (Amperes Interrupting Current) rating.
- Features pad locking provisions on the device for security.
- Uses RX type hubs for overhead feed connections.
- Surface Mounting design for easy installation.
- UL Listed for safety and quality assurance.
- Ring type meter cover with ring provided.
- Galvanized steel construction with baked-on polyester powder coating finish.
4. Package Contents
Verify that all items are present and undamaged upon unpacking:
- 1 x Siemens MC2040B1200S 200 Amp Meter Combo Load Center
- 1 x Instruction Sheet (this document or similar)
5. Setup and Installation
Installation of the Siemens MC2040B1200S Meter Load Center Combination requires professional expertise. Consult a licensed electrician to ensure compliance with all applicable electrical codes and safety standards.
General Installation Steps (Professional Guidance Required):
- Site Selection: Choose a suitable outdoor location for surface mounting, ensuring it meets NEMA 3R requirements and local utility specifications for meter access.
- Mounting: Securely mount the load center to a sturdy, flat surface using appropriate hardware.
- Wiring: Connect the main service entrance conductors, branch circuit conductors, and grounding wires according to the wiring diagram provided with the unit and local electrical codes. This unit is designed for overhead service feed only.
- Hub Installation: Install the appropriate Electric enter "RX" class hub (e.g., EC38594, EC38595, EC38596, EC38597, EC38598, EC38599, or EC38600) for overhead service.
- Breaker Installation: Install circuit breakers into the designated spaces within the load center.
- Utility Connection: Coordinate with your local utility company for meter installation and connection to the service. Confirm meter socket approval with the local utility.
- Final Inspection: Before energizing, a thorough inspection by a qualified professional is mandatory to ensure all connections are secure and correct.
6. Operating Instructions
Once installed and energized by the utility company, the Siemens MC2040B1200S operates as the central distribution point for your electrical system. Operation primarily involves managing the circuit breakers.
Circuit Breaker Operation:
- Turning On a Circuit: Ensure the circuit breaker handle is in the 'ON' position.
- Turning Off a Circuit: Move the circuit breaker handle to the 'OFF' position.
- Resetting a Tripped Breaker: If a circuit breaker trips (moves to a central or 'OFF' position), first identify and resolve the cause of the overload or short circuit. Then, firmly push the handle completely to the 'OFF' position before pushing it back to 'ON'. If the breaker trips again immediately, do not attempt to reset it; consult a qualified electrician.
Warning: Never attempt to bypass or tamper with circuit breakers. They are critical safety devices designed to protect your electrical system and prevent hazards.
7. Maintenance
Regular maintenance by a qualified electrician can help ensure the longevity and safe operation of your Siemens Meter Load Center Combination.
Recommended Maintenance Practices:
- Annual Inspection: Have a qualified electrician inspect the unit annually for signs of wear, corrosion, loose connections, or damage.
- Cleaning: Keep the exterior of the enclosure clean and free from debris. Do not use abrasive cleaners or solvents. Ensure ventilation openings (if any) are clear.
- Tighten Connections: Periodically, a qualified electrician should check and tighten all electrical connections to prevent overheating and arcing.
- Environmental Checks: Ensure the NEMA 3R enclosure remains sealed and protected from moisture ingress. Check for any damage to the enclosure or meter cover.
Caution: Do not open the meter compartment or attempt any internal maintenance without proper authorization from the utility company and ensuring all power is disconnected.
8. Troubleshooting
For any electrical issues, it is strongly recommended to contact a qualified electrician. Attempting to troubleshoot complex electrical problems without proper training and tools can be dangerous.
Common Issues and Professional Actions:
- Frequent Breaker Tripping: Indicates an overload or short circuit. An electrician can identify the cause (e.g., faulty appliance, overloaded circuit, wiring issue) and rectify it.
- No Power to a Circuit: Check if the breaker is tripped. If resetting doesn't work, or if multiple circuits are affected, contact an electrician.
- Flickering Lights or Partial Power: Could indicate a loose connection, faulty wiring, or a utility issue. This requires immediate professional attention.
- Burning Smell or Unusual Noises: Immediately disconnect power if safe to do so (at the main service entrance if possible) and contact an emergency electrician.
9. Specifications
| Specification | Detail |
|---|---|
| Brand | SIEMENS |
| Model | MC2040B1200S |
| Product Dimensions (L x W x H) | 14" x 5" x 30.5" |
| Item Weight | 33.8 Pounds |
| Maximum Current | 200 Amps |
| Number of Spaces | 20 |
| Number of Circuits | 40 |
| Phase Type | Single Phase |
| Material | Alloy Steel |
| Enclosure Type | NEMA 3R (Outdoor) |
| Mounting Type | Surface Mount |
| Service Feed Type | Overhead Only |
| Interrupting Rating | 22,000 AIC |
| UPC | 040892999679 |
10. Product Overview (Images)






11. Warranty Information
Siemens products are typically covered by a manufacturer's warranty. Specific warranty terms and conditions, including duration and coverage details, are usually provided with the product at the time of purchase or can be found on the official Siemens website. Please retain your proof of purchase for warranty claims.
For detailed warranty information, please refer to the documentation included with your product or visit the official Siemens support portal.
12. Support and Contact
If you require technical assistance, have questions regarding installation, operation, or maintenance, or need to report a product issue, please contact Siemens customer support.
- Online Support: Visit the official Siemens website for FAQs, product documentation, and support resources.
- Customer Service: Refer to the contact information provided on the Siemens website or in your product packaging for phone or email support.
Note: For electrical emergencies or complex installation issues, always contact a qualified and licensed electrician.





