Table of Contents
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Table of Contents
Related Manuals for Kobold NBK-R series
Summary of Contents for Kobold NBK-R series
- Page 1 Operating Instructions Limit switch Model: NBK-R NBK-RM NBK-RT NBK-RA...
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Page 2: Table Of Contents
EU Declaration of Conformance ..............10 Type Examination Certificate ..............11 Manufactured and sold by: Kobold Messring GmbH Nordring 22-24 D-65719 Hofheim Tel.: +49 (0)6192-2990 Fax: +49(0)6192-23398 E-Mail: info.de@kobold.com Internet: www.kobold.com page 2 NBK-R... K04/0617... -
Page 3: Note
NBK-R... 2. Note Please read these operating instructions before unpacking and putting the unit into operation. Follow the instructions precisely as described herein. The devices are only to be used, maintained and serviced by persons familiar with these operating instructions and in accordance with local regulations applying to Health &... -
Page 4: Electrical Limit Switch
3D in zone 22 5. Operating Principle Kobold Bypass Limit Transmitter are used for the monitoring of limit values in tanks or vessels. They are firmly attached with mounting plates and ribbon clamps to the Bypass Level Indicator, model NBK, and can be moved to any position on the bypass- tube within the measuring length. -
Page 5: Mechanical Connection
NBK-R... 6. Mechanical Connection NBK-R/NBK-RM Mount and tighten the reed switch (NBK-R, NBK-RM and NBK-RA) - if available - on the bypass tube at the opposite side of the roller indicator with the provided ribbon clamps (ex contact: two ribbon clamps). The height of the switch contacts may be selected at will. -
Page 6: Electrical Connection
NBK-R... 7. Electrical Connection Limit switch NBK-R, NBK-RM, NBK-RT, NBK-RA Attention! Observe the allowed electrical ratings for the limit switch. NBK-R NBK-RT NBK-RA NBK-RM High ATEX-contact Maximum values temperature Standard- contact contact Switching capacity: 60 W/VA 80 VA 45 W/VA Switching current: 0,6 A Switching voltage:... -
Page 7: Commissioning
NBK-R... Connecting example NBK-RT200 with a switch amplifier REL Power supply unit acc. IEC 60947-5-6 NBK-RT200 (e. g . REL-600x) clamp 1 or 3 clamp 2 8. Commissioning Commissioning of the electrical reed switch Function of switches All switches have three connection poles (black (2), blue (3) and brown (1)). The black wire (2) is the common pole for both switching functions (N/C and N/O contact). -
Page 8: Technical Information
NBK-R... 9. Technical Information Limit contacts, model NBK-R/NBK-RM Contact operation: bistable changeover contact Switching hysteresis: approximately 15 mm Max. switching capacity: 60 W/VA; 230 V ; 1 A AC/DC Contact resistance: 100 m Medium temperature: max. 100 °C Ambient temperature: max. -
Page 9: Order Codes
NBK-R... 10. Order Codes NBK-R Standard limit contact (bistable changeover contact) NBK-RM High temperature limit contact, t 200 °C, in conjunction with an external, intrinsically safe switch amplifier NBK-RT200 as Simple Operator NBK-RT400 High temperature limit contact, t 400 °C ATEX-limit contact, encapsulated, II 2G Ex mb IIC T6/T5 Gb NBK-RA... -
Page 10: Eu Declaration Of Conformance
NBK-R... 12. EU Declaration of Conformance We, KOBOLD Messring GmbH, Hofheim-Ts, Germany, declare under our sole responsibility that the product: Limit Contact model: NBK-R / NBK-RM / NBK-RT to which this declaration relates is in conformity with the standards noted below:... -
Page 11: Type Examination Certificate
NBK-R... 13. Type Examination Certificate NBK-R... K04/0617 page 11... - Page 12 NBK-R... page 12 NBK-R... K04/0617...
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