Warner Electrically Released Brakes Spring set and permanent magnet models stop and hold loads when power is off.  

• Electric coil counters spring or permanent magnet braking force.
• Models for dynamic cycling or load holding.
• Static torque ratings from 1.5 to 400 lb.ft.
• Sizes from 2.5" through 12.5" diameter.
• Flange or shaft mounted.
• No adjustment or maintenance.
• ERD model offers manual release for operation flexibility.