RedMax ¼ turn actuators – size S
Electrical, explosion proof rotary actuators with
integrated Ex-i tripping circuit for safety temperature trigger ExPro-TT
On-off / 3-pos. control mode, 24...240 VAC/DC, 95° angle of rotation incl. 5° pretension
5/10 – 15 Nm with safety operation (spring return)
ATEX tested in acc. with directive 2014/34/EU for zone 2, 22
Compact. Easy installation. Universal. Cost effective. Safe.
Type
Torque
Supply
RedMax- 5.10 - BF
5 / 10 Nm 24...240 VAC/DC 3 / 15 / 30 / 60 / 120 s/90° 3 or 10 s/90°
RedMax- 15 - BF
15 Nm
24...240 VAC/DC 3 / 15 / 30 / 60 / 120 s/90° 3 or 10 s/90°
RedMax- ... - CTS
Types as above with aluminium housing and seawater resistant coating (cable glands brass nickel-plated)
RedMax- ... - VAS
Types as above with stainless steel housing for aggressive ambient (cable glands brass nickel-plated)
Product views and applications
Fire damper
Safety damper
Description
The RedMax actuators are a revolution for safety, fire and
shut-off dampers, VAV systems, ball valves, throttle valves
and other motorized applications for HVAC systems in
chemical, pharmaceutical, industrial and offshore/onshore
plants, for use in Ex-areas zone 2 (gas) and zone 22 (dust).
Highest protection class (ATEX) and IP66 protection,
small dimensions, only 3,5 kg weight, universal functions
and technical data, an integrated heater and an optional
stainless steel housing guarantee safe operation even under
difficult environmental conditions. High quality brushless
motors guarantee long life.
All actuators are programmable and adjustable on site.
Special tools or equipment are not required. Motor running
times and torques as well as spring return times, according
to the actuator type, are selectable or adjustable on site.
The integrated universal power supply is self adaptable
to input voltages in the range of 24...240 VAC/DC. The
actuators are 100 % overload protected and self locking.
...Max-...-BF actuators are equipped with spring return
fail safe function, with 2 integrated auxiliary switches for
end position indication and an intrinsically safe tripping
circuit for connecting the ...Pro-TT-... safety temperature
trigger. Standard shaft connection is a double square direct
coupling with 12 × 12 mm.
Different accessories are available to adapt auxiliary
switches, terminal boxes or adaptions for ball valves and
throttle valves and other armatures.
Motor running time
Spring return Control mode
Ball valve
Highlights
For all types of gases, mists, vapours and dusts in zones 2 and 22
Universal supply unit from 24...240 VAC/DC
Motor running times 3–15–30–60–120 s/90° adjustable on site
On-off and 3-pos. control with spring return function, running times ~
3–10 s/90°
Ex-i circuit for direct connection of the ...Pro-TT-... safety
temperature trigger
2 integrated auxiliary switches, switching at 5° and 85° angle of rotation
5–10–15 Nm actuators in the same housing size
100 % overload protected and self locking
Compact design and small dimension (L × W × H = 210 × 95 × 80 mm)
Direct coupling to the damper shaft with double square connection
12 × 12 mm
95° angle of rotation inclusive 5° pretension
Robust aluminium housing (optional with seawater resistant coating)
or in stainless steel
IP66 protection
Simple manual override included + preparation for comfortable
manual override
Gear made of stainless steel and sinter metal
Weight only ~ 3,5 kg
Integrated heater for ambient temperatures down to −40 °C
Integrated safety temperature sensor
Integrated equipment for manual adjustment (push button, lamp, switch)
Preparation for adaptable and adjustable auxiliary switches type ...Switch
Wide range of accessories
Special options ... -CTS ... -VAS
Feedback
On-off, 3-pos.
2 × aux. switches + Ex-i tripping circuit
On-off, 3-pos.
2 × aux. switches + Ex-i tripping circuit
Throttle valve
RedMax ¼ turn actuators
RedMax-...-BF
RedMax - ... - BF
RedMax - ... - CTS
RedMax - ... - VAS
Subject to change!
Wiring diagram
SB 7.0/7.1
SB 7.0/7.1
01
Size S
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