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  4. M12-B Male terminating connector, Contacts: 4, unshielded, IP68, UL, Profibus, PUR
Part no.: 77 9835 0000 00004

M12-B Male terminating connector, Contacts: 4, unshielded, IP68, UL, Profibus, PUR

M12, series 766, Automation Technology - Data Transmission
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General features
Part no. 77 9835 0000 00004
Alternative part no.: 79 4329 109 04
Please note that, due to the change from the old to the new order number, there may be deviations in the technical specifications. For questions about product details, please use the ‘Contact Customer Service’ form on the right.
Connector design Male terminating connector
Version Connector pin straight
Connector locking system screw
Degree of protection IP68
Temperature range from/to -25 °C / 90 °C
Mechanical operation > 100 Mating cycles
Weight (g) 9.58
Customs tariff number 85369010
Rated voltage 250 V
Rated impulse voltage 1500 V
Rated current (40 °C) 4.0 A
Insulation resistance > 10⁸ Ω
Pollution degree 3
Overvoltage category II
Insulating material group II
EMC compliance unshielded
Housing material PUR
Contact body material PUR
Contact material CuZn (brass)
Contact plating Au (gold)
REACH SVHC CAS 7439-92-1 (Lead)
SCIP number 6cc2faa4-858c-4022-823b-302c2973436d
eCl@ss 11.1 27-06-03-11
ETIM 7.0 EC001855
Low Voltage Directive 2014/35/EU (EN 60204-1:2018;EN 60529:1991)
Cable data
Structure of the cable
Cable type Profibus
Sheath material PUR
Single-lead structure 42 x 0.10 mm
Other features
Halogen free yes
General Disclaim Notice
  1. The connector must not be plugged or unplugged under load. Non-observance and improper use can result in personal injury.
  2. The connectors have been developed for applications in plant engineering, control and electrical equipment construction. The user is responsible for checking whether the connectors can also be used in other areas of application.
  3. The user must take suitable safety precautions to ensure that the connector cannot be accidentally disconnected.
  4. Plug connectors with enclosure protection IP67 and IP68 are not suitable for use under water. For further information on the IP protection classes, please refer to the "Technical Information" download centre.
  5. To lock the cable connector with the device connector, the threaded ring is tightened "hand-tight" (approx. 60 cNm).
Data sheet
Data sheet 77 9835 0000 00004
77 9835 0000 00004
77 9835 0000 00004
China RoHS
77 9835 0000 00004
Declaration of conformity, Low Voltage Directive
Declaration of conformity
Low Voltage Directive
UKCA declaration of conformity, Electrical Equipment
UKCA declaration of conformity
Electrical Equipment
CAD files
Select required format
77 9835 0000 00004