Connection Heads Stainless Steel Aluminum Polypropylene Cast Iron Small Stainless Steel Connection Head Shown with Quick Release Fitting Connection Heads are used to provide a way FEATURES to connect the sensor leads to the instrumentation that is used for monitoring or controlling the process. The leadwires from the sensor are connected to a terminal block mounted inside the connection head. In turn, the wiring to the monitoring equipment is also connected to the terminal block and that allows for the signal to be read. * NEMA 4 Rated * Custom Labeling Available: Standard with Measurement Specialties label Connection heads are available in a variety of different styles. Individual terminal blocks are also available in fiberglass or ceramic. Transmitters are available for mounting inside the connection head. We also offers custom labeling, weatherproof and explosion proof rated connection heads. * * * * * Terminal Blocks: Fiberglass standard Ceramic available upon request APPLICATIONS Motors Generators Process HVAC performance specifications NEMA Requirements: Standard connection heads at the minimum, meet NEMA 4 requirements Labeling: Standard with RTD Company label, available without a label or with a custom label Terminal Blocks: Fiberglass is standard, other materials available Surface Finish: Cast Iron style is coated with black, heat resistant baked enamel Small Stainless Steel style has an electro-polished finish Connection Heads 1711 139th Lane NW Andover, MN 55304 Cast Iron Connection Head Shown with 6-Place Fiberglass Terminal Block www.meas-spec.com +1 800.899.9783 08/19/2015 temp.eng.us@meas-spec.com Connection Heads dimensions Stainless Steel and Aluminum (Shown) Cast Iron (3.50") (3.625") (3.875") (3.50") Process Thread Process Thread Control Thread Control Thread Polypropylene Small Stainless Steel (3.60") (3.00") (3.50") Process Thread Process Thread (3.50") Control Thread Control Thread ordering info Connection Heads Stocked Part Numbers* Model 690A 690B 690C 690D 690G Model 4 5 Model 4 5 Model 4 6 Part Number R-10331-4F6 R6714-4F6 R-6717-4F6 R-6718-4F6 Style Stainless Steel Aluminum Polypropylenev Cast Iron Small Stainless Steel Process Thread 1/2" NPT (Standard) 3/4" NPT Control Thread 1/2" NPT 3/4" NPT (Standard) Terminal Block 4-Place Fiberglass 6-Place Fiberglass Model Number 690D 4 5 6 690G 4 5 6 690B 4 5 6 690A 4 5 6 * Please consult factory for availability. The information in this sheet has been carefully reviewed and is believed to be accurate; however, no responsibility is assumed for inaccuracies. Furthermore, this information does not convey to the purchaser of such devices any license under the patent rights to the manufacturer. Measurement Specialties, Inc. reserves the right to make changes without further notice to any product herein. Measurement Specialties, Inc. makes no warranty, representation or guarantee regarding the suitability of its product for any particular purpose, nor does Measurement Specialties, Inc. assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability, including without limitation consequential or incidental damages. Typical parameters can and do vary in different applications. All operating parameters must be validated for each customer application by customer's technical experts. Measurement Specialties, Inc. does not convey any license under its patent rights nor the rights of others. Connection Heads 1711 139th Lane NW Andover, MN 55304 www.meas-spec.com +1 800.899.9783 08/19/2015 temp.eng.us@meas-spec.com