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Products
Helios (90)
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Helios ESA 3i Electronic Fan Speed Controller
Helios ESA i Electronic Fan Speed Controller Surface mounted electronic speed controller. Indicator light when on, with on and off switch. For fans not exceeding 3.0 Amps.Main Features: — Surface mounted — Speed control range 10 to 100% — Fused — Minimum speed setting adjustable ...
CDA 450 x 1D straight through Silencer
450mm dia x 450mm long straight through silencer (generally reduces a fan noise level by 7 – 10dB (A)* Can be supplied to either bolt directly to any manufacturer of cased axial or with spigots to mount inline with ducting.The addition of this silencer to a system will act in the same way a silencer does on a car, so if you’ve ever heard a car with n ...
CDA 355 x 2D straight through Silencer
355mm dia x 710mm long straight through silencer (generally reduces a fan noise level by 10 – 13dB (A)* Can be supplied to either bolt directly to any manufacturer of cased axial or with spigots to mount inline with ducting.The addition of this silencer to a system will act in the same way a silencer does on a car, so if you’ve ever heard a car with ...
CDA 315 x 2D straight through Silencer
315mm dia x 630mm long straight through silencer (generally reduces a fan noise level by 10 – 13dB (A)* Can be supplied to either bolt directly to any manufacturer of cased axial or with spigots to mount inline with ducting.The addition of this silencer to a system will act in the same way a silencer does on a car, so if you’ve ever heard a car with ...
CDA 500 x 1D straight through Silencer
500mm dia x 500mm long straight through silencer (generally reduces a fan noise level by 7 – 10dB (A)* Can be supplied to either bolt directly to any manufacturer of cased axial or with spigots to mount inline with ducting.The addition of this silencer to a system will act in the same way a silencer does on a car, so if you’ve ever heard a car with n ...
CDA 400 x 2D straight through Silencer
400mm dia x 800mm long straight through silencer (generally reduces a fan noise level by 10 – 13dB (A)* Can be supplied to either bolt directly to any manufacturer of cased axial or with spigots to mount inline with ducting. The addition of this silencer to a system will act in the same way a silencer does on a car, so if you’ve ever heard a car with ...
Helios ESA 6i Electronic Fan Speed Controller
Helios ESA 6i Electronic Fan Speed Controller Surface mounted electronic speed controller. Indicator light when on, with on and off switch. For fans not exceeding 6.0 Amps.Main Features: — Surface mounted — Speed control range 10 to 100% — Fused — Minimum speed setting adjustable ...
CDA 560 x 1D straight through Silencer
560mm dia x 560mm long straight through silencer (generally reduces a fan noise level by 7 – 10dB (A)* Can be supplied to either bolt directly to any manufacturer of cased axial or with spigots to mount inline with ducting.The addition of this silencer to a system will act in the same way a silencer does on a car, so if you’ve ever heard a car with n ...
CDA 450 x 2D straight through Silencer
450mm dia x 900mm long straight through silencer (generally reduces a fan noise level by 10 – 13dB (A)* Can be supplied to either bolt directly to any manufacturer of cased axial or with spigots to mount inline with ducting.The addition of this silencer to a system will act in the same way a silencer does on a car, so if you’ve ever heard a car with ...
Helios TSW 3.0 Transformer Fan Speed Controller 1ph
Five step Transformer speed controller for speed controlling of 1 ph. Alternating current fans.Suitable for power control of all speed controllable 1 ph. Alternating fans. Four secondary voltages stepped in 80÷100÷130÷170 and 230 V (full mains voltage) Allow to control 5 fan speeds. A number of di ...