KR Series · Safe Return · Fail-safe return
KR004
Electric Actuators
Safe Return Actuator, Fail-safe return
Fail-safe electric actuator: if the power fails, a built-in capacitor (no battery) drives the valve fully open or fully closed, as set on the PCB.
Price on request
Send us your quantity and we'll reply with a price and lead time.
Voltage, colour, ISO flange, stem size and options are confirmed in your quote. How to read a model code
Specifications
KR004 At A Glance
- Model
- KR004
- Series
- KR · Safe Return
- Torque
- 40 Nm
- Mechanism
- Quarter turn, BLDC motor, capacitor fail-safe
- Action
- Fail-safe return
- KOSAPLUS range
- KR002 – KR006
- Voltage
- 100 – 250V AC; 24V DC version
- Operating time
- About 13 s at 50 Nm, 6 s at 20 Nm
- Charging
- 1 return after 15 min, up to 6 after about 2 hours
- Duty
- 100% (continuous)
- Indicator
- Dome, mechanical
- Limit switches
- 2 × SPDT, 250V AC / 16 A
- Manual operation
- 5 mm wrench
- ISO 5211
- F03 / F05 / F07, 11 × 11 or 14 × 14 stem
- Ambient temperature
- -20 to +60°C
- Cable entries
- 2 × PF 1/2
- Industries
- Valve automation where the valve must not stay put on power loss
Options
Available For This Model
Modulating control
4–20 mA, 0–10 V, 2–10 V, 0–5 V or 1–5 V
Local control
Local control panel and torque switch
Manual override
Hand-wheel for manual operation
Watertight
WT version of the KE series for wet areas