Product details
MMLG02R1AA0001E – Test Module
MMLG02R1AA0001E is a test module from ALSTOM. It belongs to the MMLG series. This device tests busbar protection relays. It mounts vertically in a Size 2 case. The module simplifies testing without disturbing system wiring.
Key Features
- Simplified testing – no need to disturb protection wiring
- Monitoring and isolation – quick secondary injection tests
- Compatibility – works with MiDOS and MiCOM Agile relays
- Vertical mounting – saves panel space
- Compact design – Size 2 case
- Reliable isolation – 500 V AC rating
Technical Specifications
- Brand: ALSTOM
- Model: MMLG02R1AA0001E
- Series: MMLG
- Type: Test Module / Safety Relay
- Country of origin: USA
- Power supply: 24 V DC
- Logic voltage: 5 V DC
- Power consumption: 3-8 W (typical)
- Isolation: 500 V AC
- Mounting: Vertical (panel mount)
- Case size: Size 2
- Color: Grey/Grey
Installation & Mounting
- Mounting: Vertical on panel (use 4 screws)
- Wiring: Connect to busbar protection relay system
- Testing: Insert test plug for secondary injection
- Maintenance: Visual inspection and contact cleaning
Manager’s Insight
This ALSTOM test module is essential for busbar protection maintenance. It eliminates the risk of disturbing live wiring during tests. The compact vertical design fits well in crowded panels. We recommend it for substation and industrial protection schemes. The 12-month warranty and fast shipping provide confidence.
Applications
- Substation protection: busbar differential schemes
- Industrial power systems: switchgear testing
- Relay testing: MiDOS and MiCOM Agile systems
- Commissioning: secondary injection tests
- Maintenance: periodic verification of protection
Comparison with Similar Models
- MMLG02R1AA0001E – vertical, Size 2, grey/grey
- MMLG02R1AA0002E – horizontal mount version
- MMLG01R1AA0001E – Size 1 case, fewer terminals
- MMLG03R1AA0001E – Size 3 case, more wiring space
Selection Guide
- Choose MMLG02R1AA0001E if: you need a vertical test module for busbar protection.
- Consider this module for: substation and industrial relay panels.
- Avoid if: you need horizontal mounting or a different case size.
- Best paired with: ALSTOM MiDOS or MiCOM Agile protection relays.
- Warranty: 12 months from invoice date.
Shipping & Delivery
- Dispatch: 12-24 hours after order confirmation.
- Carriers: FedEx, UPS, DHL (tracking provided).
- Packaging: Anti-static bag in a sturdy box.
Frequently Asked Questions (FAQ)
- Q: What is the purpose of this test module?
- A: It allows testing of busbar protection relays without disturbing wiring.
- Q: Is it compatible with MiCOM Agile relays?
- A: Yes, it works with both MiDOS and MiCOM Agile systems.
- Q: What is the isolation voltage?
- A: 500 V AC between circuits.
- Q: How do I perform a test?
- A: Insert a test plug into the module for secondary injection.
- Q: What power supply does it need?
- A: 24 V DC (3-8 W typical).
Contact Information: For inquiries, email sales@powergearx.com or call +86 18030005825 (WhatsApp).
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Original Source: https://www.powergearx.com/
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