Product Overview

SPECIFICATION SUMMARY

Calef North America, Inc.

3883 W. Milwaukee Rd

Milwaukee, WI 53208

Tel: 414-238-2360 · Fax: 414-238-2366

sales@calef.com · www.calef.com/usa/en-us

We reserve the right to change our products and their relevant technical data, contained in this publication, at any time and without prior notice.

676 series

Thermo-electric two-way zone valve. Provided with 676 series two-way straight-through style brass body. Connections: 1/2”, 3/4” and

1” sweat with unions, 3/4” press with unions. Brass trim, stainless steel stem and spring, and EPDM seals. Maximum body pressure 150

psi (10 bar), Cv 4.0. Maximum differential pressure 20 psi (1.2 bar). Water and glycol solutions to maximum 50 percent. Provide with 656

series thermo-electric actuator, power open/spring-return closed (normally closed), with auxiliary micro-switch (contacts rated 5 A, 24 V),

power supply 24 VAC or VDC, power consumption 3 W running, maximum temperature 200 degrees F (95 degrees C), maximum 20

psi (1.2 bar) close off pressure, 31.5 inch (80 cm) wire leads.

6563 series

TwisTop™ Thermo-electric actuator. code 6563 series. Provided with manual open/close knob with automatic reset, visual pop-up

position indicator when activated, self-extinguishing polycarbonate protective shell, protection class IP 40 installed in vertical position.

Made with double insulation per CE. Initial current draw: 800 mA. Holding current: 140 mA. Inrush power consumption: 19 VA. Micro-

switch contact rating: 5 A (24 V). Operating time 120 to 180 seconds full stroke opening, 120 to 180 seconds full stroke closing.

Maximum operating temperature, valve plus actuator: 120 degrees F (50 degrees C). Code 656304, RAL 9010 white color. Code

656314, with micro-switch, RAL 9002 gray color.

6564 series

Thermo-electric actuator, code 6564 series. Provided with visual pop-up position indicator when activated, self-extinguishing

polycarbonate protective shell, protection class NEMA 5 (IP 54) installed in all positions. Made with double insulation per CE. Initial current

draw: < 250 mA. Holding current: 125 mA. Inrush power consumption: 6 VA. Micro-switch contact rating: 5 A (24 V). Operating time 600

seconds full stroke opening, 240 seconds full stroke closing. Maximum operating temperature, valve plus actuator: 170 degrees F (75

degrees C). Code 656404, RAL 9010 white color. Code 656414, with micro-switch, RAL 9002 gray color.