Transformers
To control the speed of speed controllable motors without hum, step transformers are used. Several motors can also be connected to these up to the rated load capacity of the step transformer.
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| SCNR5: 5-stage transformer in white surface-mounted housing with illuminated on/off switch. | ETW-ETID: 5-stage transformer in gray industrial housing for up to 10 A maximum load. | ETISW: 5-stage transformer für switch cabinet installation for 230 V ~ 50/60 Hz and 400 V ~ 50/60 Hz. | Kit SCB5: Flush-mounted box für the wall-mounted installation of the 5-stage transformer SCNR5. |
Common features - Immersion imprägnated Spartrafos, Ausführung entsprechend. VDE 0550. Max. permissible ambient temp. 40°C. Low ripple, good price/performance ratio. Low-loss and noise-free fan operation. Several fans, even different ones, can be connected to one transformer up to the maximum load. Gradation 75 / 110 / 150 / 180 and 230 V (SCNR5, ETW and ETISW) or 80 / 140 / 200 / 280 / 400 V (ETID and ETISD). 5-step rotary switch with off position. Special voltages and frequencies on request.
Executions with full motor protection on request.
SCNR5 - Housing plastic, color white;. Suitable for surface mounting. 2-pole, illuminated on/off switch. Can be used as flush-mounted device with flush-mounted housing kit SCB5.
ETW 1.0 - 10.0 - Housing plastic, color light gray. Operating light, additional connection for shutter up to 40 VA. Protection class IP54.
ETISW 1.5 - 5.0 - Built-in transformers with built-up terminal strip with 5 voltage taps. Angle rails für quick and easy mounting. Accessories: 5-step control switch for control cabinet installation with front mounting. Recessed connections.
ETID 1,5 - 4,0 - Surface-mounted housing plastic, color light gray. Two autotransformers in open V circuit. Operation light, additional connection for shutter up to 40 VA. Protection class IP54. Version with full motor protection on request.
ETISD 1.5 - 7.0 - 2 built-in transformers in open V circuit with built-on terminal strip with 5 voltage taps. Angle rails for quick and easy mounting.
Accessories: 5-step control switch. For control cabinet installation with front mounting. Recessed terminals.
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