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Cema 077 series 30 mm diam.

CEMA 077 push buttons and joysticks

Cema 077 - control and signalling unit 30 mm
The Cema 077 series is a particularly robust line of pushbuttons suitable for heavy duty applications in the fields of machine tools, shipbuilding, steel, transport, etc. The 077 range consists of IP65 metal round operators with front fastening with knurled ring that can withstand strong closing pairs. The contact blocks are available in different electrical functions and the connections are facilitated by the position of the clamps and the use of retractable clamps. The fixation on the operators is obtained with a single-screw system that has allowed to create modular blocks with total modularity. The Cema 077 pushbuttons panel complies with the most stringent regulations and is approved by the major international certification bodies.  
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Description

The Cema 077 series is highly valued for its robustness. All these products are all made of metal and are used in all contexts where it is expected to be used heavily. These 30 mm diameter push buttons and manipulators are extremely versatile and guarantee a long life. The Cema 077 series has numerous international certifications as proof of its quality.

 

Cema 077 push buttons and joysticks: compliance with standards

Cema 077 series is in compliance with IEC 947.5.1 – VDE 0660 – NFC -CEI -EN60947.5.1 –
UTE – BSI – CENELEC EN 50007.

 

Operators approvals

UL – RINA – CE

 

Climate protection

The standard execution Cema 077 appliances are suitable for the following climatic categories:
– Temperate climate cat. 23/50 (DIN 50014)
– Humid climate cat. 23/83 (DIN 50015)
– Warm humid climate cat. 40/92 (DIN 50015)
– Variable humid climate cat. FW24 (DIN 50016)

 

Temperature limits

– Operation: from -25 ° C to + 70 ° C
– Storage: from -40 ° C to + 70 ° C

 

Degree of protection for operators

IP65 according to IEC 529 when mounted in containers with the same degree of protection or higher. (IP66 with special protective caps).

 

Terminal protection degree

IP2X according to IEC529 on single-pole contacts using the appropriate protections with the exception of light buttons, light selectors and normal pilot lights already IP2X protected.

 

Rated insulation voltage

690V according to EN60947.1

 

Impulse withstand voltage

4kV according to EN60947.1

 

Isolation category

Group C according to VDE 0110

 

Protection from electric shock

Class I according to IEC536

 

Short circuit protection

10A gl fuses according to IEC 947.5.1

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