M-0
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M-0... control, monitoring and signalling devices M-0 series control, monitoring and signalling devices are installed as external accessories on Cortem 'Ex d' enclosures used in any industrial environment where an explosive atmosphere may be present, classified as Zone 1, 2, 21, 22. M-0 control devices can be used to close or open electrical or mechanical devices fitted inside the 'Ex d' enclosures while the signalling devices feature lights to indicate their operating status. The control and signalling device components are made from stainless steel to deliver unbeatable efficiency under any environmental conditions. Levers are made from aluminium while the plastic parts on push-buttons are designed to provide lengthy service life even when used in a highly corrosive atmosphere. M-0 control and signalling devices have an IP66 protection degree. CERTIFICATION DATA FOR CONTROL DEVICES Classification: Installation: EN 60079.14 zone 21 - zone 22 (Dust) Only in stainless steel UKEX AVAILABLE All IEC Ex, UKEX, CCC and INMETRO certification data can be downloaded from www.cortemgroup. com INMETRO DNV 16.0100U CCC AVAILABLE Standards: Degree of protection: The command, control and signalling operators series M-0... have the following temperature ranges: Gruppo I applications: operating temperature -20°C +100°C Gruppo II applications: operating temperature -60°C +100°C

Outer body: Internal bush: Internal pin: Gaskets: Push-button: Illuminated push-button Handle levers: Coating: Device mounting: Contact mounting: Aluminium Stainless steel Stainless steel Acid/hydrocarbon-resistant silicone Coloured nylon Clear coloured polycarbonate Aluminium Polyester coating RAL 7035 (Light grey), where this is an option Screws into lid Snaps onto special flange, which assures quick connection of the whole contact block to the device Electrical performance Rated thermal current Ith = 10 A Operational limits as per IEC 947.5.1: ELECTRICAL FEATURES (Contact block for...

ILLUSTRATION DIMENSIONS mm DESCRIPTION Normal push-button with standard 10A 600V 1NO+1NC contacts. Button comes in choice of six colours. BLUE (B) M-0429../B.. Add IN for stainless steel body Suffix L for padlocking option Padlocking option Illuminated push-button with standard 10A 600V 1NO+1NC contacts. (lamps on request) Illuminated button comes in choice of five colours. BLUE (B) M-0428../B M-0428../V Add IN for stainless steel body Double push-button with standard 10A M-0427.. 600V contacts. Comprises one red button 1NO+1NC and one black button 1NO+1NC. Add suffix L for padlocking option

ILLUSTRATION DIMENSIONS mm DESCRIPTION CODE Emergency stop mushroom-head push- M-°430.. button with standard contacts 10A 600V 1NO+1NC. Comprises a red mushroom head push-button. Add suffix IN for stainless steel body Twist-to-release emergency stop push-button with standard 10A 600V 1NO+1NC contacts. Comprises a red button with twist mechanism for push-button release (turn to release when button is pressed) Add suffix IN for stainless steel body M-0445.. Pull-to-release emergency stop push-button with standard 10A 600V 1NO+1NC contacts. Comprises a red button with mechanism for push-button...

ILLUSTRATION DIMENSIONS mm DESCRIPTION CODE Key-to-release emergency stop M-0446.. push-button with standard 10A 600V contacts. Comprises a red button with key mechanism for push-button release (use key to release when button is pressed) Add suffix IN for stainless steel body Key-to-release push-button with OFF M-0587 setting and standard 10A 600V contacts (use key to release when button is pressed) Key-operated push-button with M-0588 ON/OFF settings and standard 10A 600V contacts (use key to press and release)

ILLUSTRATION DIMENSIONS mm DESCRIPTION Reset push-button, comprises one red or black button, used for operating thermal relays. Quick-connect handle for cam or M-0553.. rotary switch. Fixed pin length. Add suffix IN for stainless steel body Note: contact block is supplied on request. Please contact our sales department if you need advice Quick-connect padlockable handle M-°553..L for cam or rotary switch. Fixed pin length. Add IN for stainless steel handle Note: contact block is supplied on request. Please contact our sales department if you need advice

M-0... control, monitoring and signalling devices ILLUSTRAZIONE ILLUSTRATION DESCRIZIONE DESCRIPTION CODICE CODE Padlockable handle for cam switch Variable pin length M-0438../V Add IN for stainless steel handle Padlockable handle for special switches (3RV motor protectors) Variable pin length Add IN for stainless steel handle Padlockable handle for switches with Ø6 shaft Variable pin length Add IN for stainless steel handle

M-0... control, monitoring and signalling devices ILLUSTRAZIONE ILLUSTRATION DESCRIPTION DESCRIZIONE CODICE CODE Direct key-operated quick-connect knob M-093/CF for cam switch. Stainless steel bush. Padlockable handle for enclosed circuit breakers Variable pin length (size to order) Add IN for stainless steel handle Padlockable handle for heavy-duty series enclosed circuit breakers Variable pin length (A=85) Add IN for stainless steel handle * Handle for 400/630A enclosed circuit breakers

ILLUSTRATION DIMENSIONS mm DESCRIPTION Padlockable handle for modular circuit breakers. Fixed pin length M-0436../F1 Add IN for stainless steel handle Knob for potentiometers with 06 shaft M-0557 Handle for enclosed circuit breakers. Wall mounting. CORTEM GROUP

M-0... control, monitoring and signalling devices ILLUSTRAZIONE ILLUSTRATION DESCRIPTION DESCRIZIONE Handle for modular circuit breakers. Wall mounting.

CERTIFICATION DATA FOR SIGNALLING DEVICES Classification: Installation: en 60079.14 Marking: zone 1 - zone 2 (Gas) zone 21 - zone 22 (Dust) All IEC Ex certification data can be downloaded from www.cortemgroup.com MECHANICAL FEATURES OF SIGNALLING DEVICES Outer body: Bush (for M-0457AL): Bush (for M-0457IN): Bush (for M-0487): Gaskets: Device mounting: Impact-resistant UV-stable polycarbonate Aluminium Stainless steel Aluminium Acid/hydrocarbon-resistant silicone Screws into lid ELECTRICAL FEATURES Rated voltage: Power: Frequency: The command, control and signalling operators series M-0......