Duff-Norton SPB Linear Actuators

Duff-Norton's SPB linear actuators are specially designed for industrial and commercial applications. Linear Actuators can be used for opening, closing, tilting, pivoting, lifting, lowering and positioning.

25 Products

HSPB3405-12 | Linear Actuator, 115 AC, 250 lbs, High-Speed Motor, 12'' Stroke

The SPB series Electromechanical Actuator. This 115 VAC Linear Actuator can yields capacities up to 250 lbs.

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake and load limiting friction disc clutch
  • Steel translating tube - zinc chromate plated
  • Automatic reset thermal overload motor protection
$1,132.00 Was: $1132

HSPB3405-18 | Linear Actuator, 115 AC, 250 lbs, High-Speed Motor, 18'' Stroke

The SPB series Electromechanical Actuator. This 115 VAC Linear Actuator can yields capacities up to 250 lbs.

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake and load limiting friction disc clutch
  • Steel translating tube - zinc chromate plated
  • Automatic reset thermal overload motor protection
$1,181.00 Was: $1181

HSPB3405-3 | Linear Actuator, 115 AC, 250 lbs, High-Speed Motor, 3'' Stroke

The SPB series Electromechanical Actuator. This 115 VAC Linear Actuator can yields capacities up to 250 lbs.

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake and load limiting friction disc clutch
  • Steel translating tube - zinc chromate plated
  • Automatic reset thermal overload motor protection
$1,085.00 Was: $1085

HSPB3405-6 | Linear Actuator, 115 AC, 250 lbs, High-Speed Motor, 6'' Stroke

The SPB series Electromechanical Actuator. This 115 VAC Linear Actuator can yields capacities up to 250 lbs.

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake and load limiting friction disc clutch
  • Steel translating tube - zinc chromate plated
  • Automatic reset thermal overload motor protection
$1,105.00 Was: $1105

HSPB6405-12 | Linear Actuator, 115 AC, 500 lbs, High-Speed Motor, 12'' Stroke

The SPB series Electromechanical Actuator. This 115 VAC Linear Actuator can yields capacities up to 500 lbs.

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake and load limiting friction disc clutch
  • Steel translating tube - zinc chromate plated
  • Automatic reset thermal overload motor protection
$1,119.00 Was: $1119

HSPB6405-18 | Linear Actuator, 115 AC, 500 lbs, High-Speed Motor, 18'' Stroke

The SPB series Electromechanical Actuator. This 115 VAC Linear Actuator can yields capacities up to 500 lbs.

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake and load limiting friction disc clutch
  • Steel translating tube - zinc chromate plated
  • Automatic reset thermal overload motor protection
$1,146.00 Was: $1146

HSPB6405-3 | Linear Actuator, 115 AC, 500 lbs, High-Speed Motor, 3'' Stroke

The SPB series Electromechanical Actuator. This 115 VAC Linear Actuator can yields capacities up to 500 lbs.

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake and load limiting friction disc clutch
  • Steel translating tube - zinc chromate plated
  • Automatic reset thermal overload motor protection
$1,057.00 Was: $1057

HSPB6405-6 | Linear Actuator, 115 AC, 500 lbs, High-Speed Motor, 6'' Stroke

The SPB series Electromechanical Actuator. This 115 VAC Linear Actuator can yields capacities up to 500 lbs.

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake and load limiting friction disc clutch
  • Steel translating tube - zinc chromate plated
  • Automatic reset thermal overload motor protection
$1,085.00 Was: $1085

SPB3405-12 | Linear Actuator, 115 AC, 250 lbs, 12'' Stroke

The SPB series Electromechanical Actuator. This 115 VAC Linear Actuator can yields capacities up to 250 lbs.

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake and load limiting friction disc clutch
  • Steel translating tube - zinc chromate plated
  • Automatic reset thermal overload motor protection
$1,017.00 Was: $1017

SPB3405-18 | Linear Actuator, 115 AC, 250 lbs, 18'' Stroke

The SPB series Electromechanical Actuator. This 115 VAC Linear Actuator can yields capacities up to 250 lbs.

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake and load limiting friction disc clutch
  • Steel translating tube - zinc chromate plated
  • Automatic reset thermal overload motor protection
$1,044.00 Was: $1044

SPB3405-3 | Linear Actuator, 115 AC, 250 lbs, 3'' Stroke

The SPB series Electromechanical Actuator. This 115 VAC Linear Actuator can yields capacities up to 250 lbs.

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake and load limiting friction disc clutch
  • Steel translating tube - zinc chromate plated
  • Automatic reset thermal overload motor protection
$947.00 Was: $947

SPB3405-6 | Linear Actuator, 115 AC, 250 lbs, 6'' Stroke

The SPB series Electromechanical Actuator. This 115 VAC Linear Actuator can yields capacities up to 250 lbs.

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake and load limiting friction disc clutch
  • Steel translating tube - zinc chromate plated
  • Automatic reset thermal overload motor protection
$989.00 Was: $989