Features
• ISO / DIN valve interface
ER- Series 
Quick Spec
Size Range
Maximum 
 Operating Torque
Cycle Time
Motor Voltage
Duty Cycle
Enclosures
Temperature
Limit Swtiches  
(Open-Close & Aux.)
Terminal Strip Connection
Materials
Finish
CSA
ER Series 
NEMA 4, 4X, 7 
Product Scope
ER1, 2, 3, 4, 6, 10, 15, 20, 38, 50, 70, 
120, 140
ER1: up to 100 in-lbs 
ER140: up to 14040 in-lbs
2.5 - 58 sec. (varies with size, voltage, 
duty cycle, installed accessories)
24, 115, 230 VAC; 12,24 VDC
ER1 – ER15: 25% std. 75% extended 
ER20 – ER140: 100%
NEMA 4, 4X, 7-40°F to +150°F (-40°C to +65°C)
SPDT Snap Action
(15 A @ 250 VAC; 0.1 A @ 125 VDC)
8 pt. AWG14
(Housing) Die Cast Aluminum
(Gears) Heavy Duty Hardened Steel
(Hardware) 300 Series SS
Thermally Bonded Polyester Coating
Design Standards*
File No. LR 79567  
(See Eng. data for applicability)
Mounting Flange (Valve)
ISO 5211
• Mounting in any position
• Thermal overload protection (AC & DC except 12 VDC)
• Friction brake (standard for AC motors except 24 VAC)
• Permanent lubrication
• Reversing permanent split capacitor motors
• Manual override handwheel standard most sizes / housing
• Many options including: auxiliary limit switches, 4-20 mA 
positioner, power off brake, heater, heater & thermostat, 
light indicator, feedback potentiometer, speed control, 
timer, two-wire control relay