CMB24-SR-L
Details
Details
CMB24-SR-L 18 lb-in Non-Spring Return Damper Actuator, NO, 24 VAC/DC, 2-10V
Ships set to normally open (open at 2 V) and stays in place on power loss.
Fits air control dampers up to about 4.5 sq ft and mounts directly on a 1/4 to 1/2 in. shaft.
Needs the ZG-R01 500 ohm resistor for a 4-20mA signal.
Order CMB24-SR-R for the normally closed version.
Key Features
- Position feedback U: 2 to 10 V
- Running Time (Motor): 35 s / 90 deg
Product Specifications
| Manufacturer | Belimo |
|---|---|
| Model | CMB24SRL (CMB24-SR-L) |
| Normal position | Normally open (NO): open at 2 VDC, closed at 10 VDC |
| Fail position | None (non fail-safe) |
| Nominal voltage | AC/DC 24 V |
| Nominal voltage frequency | 50/60 Hz |
| Nominal voltage range | AC 19.2 to 28.8 V / DC 19.2 to 28.8 V |
| Power consumption in operation | 1.5 W |
| Power consumption in rest position | 0.5 W |
| Transformer sizing | 1.5 VA |
| Electrical Connection | 18 AWG plenum cable, 1 m, degree of protection NEMA 2 / IP54 |
| Overload Protection | electronic throughout full rotation |
| Torque motor | 18 lb-in (2 Nm) |
| Operating range Y | 2 to 10 V |
| Operating range Y note | 4 to 20 mA w/ ZG-R01 (500 ohm, 1/4 W resistor) |
| Position feedback U | 2 to 10 V |
| Position feedback U note | Max. 0.5 mA |
| Direction of motion motor | by electrical installation |
| Manual override | disengage with magnet |
| Angle of rotation | 95 deg |
| Running Time (Motor) | 35 s / 90 deg |
| Running time motor note | constant, independent of load |
| Sound power level, motor | 45 dB(A) |
| Position indication | Mechanical, pluggable (with integrated magnet for gear train disengagement) |
| Power source UL | Class 2 Supply |
| Degree of protection NEMA/UL | NEMA 2 |
| Housing | UL Enclosure Type 2 |
| Agency Listing | cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2014/30/EU and 2014/35/EU |
| Quality Standard | ISO 9001 |
| UL 2043 Compliant | Suitable for use in air plenums per Section 300.22(C) of the NEC and Section 602 of the IMC |
| Ambient humidity | Max. 95% RH, non-condensing |
| Ambient temperature | -22 to 122 deg F (-30 to 50 deg C) |
| Storage temperature | -40 to 176 deg F (-40 to 80 deg C) |
| Servicing | maintenance-free |
| Weight | 0.59 lb (0.27 kg) |
| Housing material | UL94-5VA |
| Damper size | up to approx. 4.5 sq ft |
| Mounting | direct on the damper spindle with a universal spindle clamp or form fit; anti-rotation bracket supplied |
| Shaft diameter | 1/4 to 1/2 in. |
| Wire colors | 1 = black, 2 = red, 3 = white, 5 = orange |