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MBT 5250, MBT 5260 and MBT 5252

MBT 5250, MBT 5260 and MBT 5252

MBT 5250, MBT 5260 and MBT 5252

Product catalog summary
Overview: This document provides detailed specifications and information on Danfoss heavy-duty temperature sensors, specifically the MBT 5250, MBT 5260, and MBT 5252 models. These sensors are designed for controlling cooling water, lubrication oil, hydraulic oil, and refrigeration plants in general industry and marine applications.
Specifications:
  • Temperature Range: MBT 5250 and MBT 5260 operate from -50 to 200 °C, while MBT 5252 can handle up to 400 °C.
  • Sensing Elements: Standardized Pt 100 or Pt 1000 elements, with options for NTC/PTC elements.
  • Construction: The sensors feature a silicone cable for vibration resistance and are available with interchangeable or fixed measuring inserts.
  • Materials: Protection tubes are made from acid-proof steel (AISI 316 Ti), with nickel-plated brass unions and silicone gaskets.
Mechanical and Environmental Specifications:
  • Tolerance: EN 60751 Class B with a formula of ± (0.3 + 0.005 × t).
  • Vibration Stability: Shock resistance of 100 g / 6 ms and vibration resistance of 4 g sine function from 5 – 200 Hz.
  • Enclosure: Rated IP65 according to IEC 60529.
Features:
  • Suitable for gaseous or liquid media such as air, gas, vapor, water, or oil.
  • Gold-plated connectors for MBT 5250 and MBT 5260.
  • Available with built-in transmitter (MBT 5252).
Approvals: The sensors are approved by several international bodies including Lloyds Register of Shipping, Germanischer Lloyd, Det Norske Veritas, and others.
Ordering Information: The document provides detailed ordering codes for different configurations, including sensor type, measuring range, sensing element, protection tube, and process connection.
Technical Data:
  • Response Times: Vary based on the sensor type and medium, with specific times provided for water and air.
  • Max Load and Torque: Specifications for permissible media velocity and tightening torque are provided for different process connections.
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Catalog excerpts

MBT 5250, MBT 5260 and MBT 5252-1

Data sheet Temperature Sensors Types MBT 5250, MBT 5260 and MBT 5252 Heavy-duty temperature sensors for controlling cooling water, lubrication oil, hydraulic oil and refrigeration plants within general industry and marine applications. These temperature sensors are based on a standardized Pt 100 or Pt 1000 element, which gives a reliable and accurate measurement. All three sensor types can be delivered with NTC / PTC elements on request. In the low temperature version (-50 – 200 °C) the measuring insert is based on a silicone cable, which makes the sensor very resistant towards vibrations. The MBT 5250 with changeable measuring insert and MBT 5260 with fixed measuring insert are equipped with EN 175301-803-A, Pg 9 as standard. The MBT 5252 is equipped with a B-head as standard, but can also be delivered with B-mini Head on request. If needed, a transmitter (MBT 9110) can be ordered as an integrated part of the MBT 5252 sensor. MBT 5250 MBT 5260 • Gaseous or liquid media, e.g. air, gas, vapour, water or oil. • Up to 200 °C media temperature (MBT 5250 and MBT 5260) • Up to 200 °C or 400 °C media temperature (MBT 5252) • Pt 100 or Pt 1000 sensing element • Can be used with 2- or 3-wire connections • Gold plated male and female connector (MBT 5250 and MBT 5260) • MBT 5250 and MBT 5252 with interchangeable measuring insert • MBT 5260 with fixed measuring insert • Available with built-in transmitter (MBT 5252) Lloyds Register of Shipping, LR Germanischer Lloyd, GL Det Norske Veritas, DNV Registro Italiano Navale, RINA Nippon Kaiji Kyokai, NKK American Bureau of Shipping, ABS Korean Register of Shipping, KR Bureau Veritas, BV China Classification Society, CCS

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MBT 5250, MBT 5260 and MBT 5252-3

Electrical Connections EN175301/803 excl. female plug EN175301/803 plug Pg 9 (IP65) EN175301/803 plug Pg 11 (IP65) EN175301/803 plug Pg 13,5 (IP65) ITT Canon 4 pins Au EN175301/803 GL. plug Pg 13,5 (IP65) Sn pins EN175301/803 Pg 9-4 pins without earth (IP65) EN175301/803 Pg 11-4 pins without earth (IP65) Other

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MBT 5250, MBT 5260 and MBT 5252-4

Technical data Max. temperature (Ext. length "None") Max. load on protection tube Tm = Media temperature T = Temperature for electric plug TA = Ambient temperature Note: for extension length = 50 mm no limitations up to 200 °C media temperature and 90 °C ambient temperature Process connection Dimensions MBT 5250, MBT 5260 A = Extension length B = Insertion length C = Protection tube D = Process connection E = Union Please note: • Tightening torque for the mounting screw at the rear end of the electrical connection plug: 25 Ncm • Tightening torque for the union (position "E"): 17 Nm Electrical...

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MBT 5250, MBT 5260 and MBT 5252-6

Temperature range 220 °C = 22 Temperature range 150 °C = 15 1. digit defines 100's 2. digit defines 10's Transmitter setting, end of range ...0 °C (or none) Data sheet | Temperature Sensor, Types MBT 5250, MBT 5260 and MBT 5252Ordering standardType MBT 5252Measuring range, sensor element -50 - 200 °C -50 - 400 °C Sensing element 1 X Pt 100 2 X Pt 100 (-50 - 200 °C) 1 X Pt 1000 2 X Pt 1000 (-50 - 200 °C) Protection Tube, W.nr. 1.4571 (AISI 316 Ti) Acid-proof steel, 08 mm (-50 - 200 °C) Transmitter setting, start of range None _ 0 °C _-50 °C Other Transmitter type As terminal block None Standard...

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MBT 5250, MBT 5260 and MBT 5252-7

Max. load on protection tube according to DIN 43763 Process connection

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MBT 5250, MBT 5260 and MBT 5252-8

Electrical connections With temperature transmitter Without temperature transmitter 1 x Pt100 Without temperature transmitter 2 x Pt100 Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfbss reserves the right to alter its products without notice.This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.