Introduction
The document introduces two new Emergency Battery Disconnecting switches: the ED1200 and the ED1800, designed for high current battery-powered systems such as those in Telecommunication Power Distribution Units. These switches feature paralleled double breaking contacts with silver alloy tips for enhanced conductivity and durability.

Specifications

• Thermal Current Rating: ED1200: 1200 Ampere, ED1800: 1800 Ampere.
• Typical Overload Currents: ED1200 can rupture 1800 Amperes at 60V D.C., ED1800 can rupture 2700 Amperes at 60V D.C.
• Maximum Recommended Contact Voltage: 60V D.C.
• Voltage Drop Across Contacts: 20 - 50mV at maximum rated load.
• Mechanical Life: Greater than 10,000 cycles.
• Weights: ED1200: 2000 grams, ED1800: 2750 grams.

Dimensions and Mounting

• Busbar Size: Minimum copper busbar size for ED1200 is 76 x 9.5 mm (3.0 x 0.374 inches) and for ED1800 is 101.5 x 9.5 mm (4.0 x 0.374 inches).
• Mounting Options: Can be mounted using main terminal busbars or two M5 screws on the frame.

Performance Data
All performance data provided should be used as a guide only, with potential de-rating or variation necessary according to type and application.

Environmental Compliance
Albright is registered under BS EN ISO 14001 for Environmental Management Systems. For disposal information, contact the Health, Safety & Environmental Manager of your local supplier.