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 NEMA 4 Rated that is used for monitoring or controlling the Custom Labeling Available: process. The leadwires from the sensor are Standard with Measurement Specialties label connected to a terminal block mounted inside Terminal Blocks: the connection head. In turn, the wiring to the Fiberglass standard monitoring equipment is also connected to the Ceramic available upon request terminal block and that allows for the signal to be read. APPLICATIONS Motors Connection heads are available in a variety of Generators different styles. Individual terminal blocks are also Process available in berglass or ceramic. Transmitters are available for mounting inside the connection head. HVAC We also offers custom labeling, weatherproof and explosion proof rated connection heads. performance speci cations 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 Cast Iron Connection Head Shown with 6-Place Fiberglass Terminal Block Small Stainless Steel style has an electro-polished nish Connection Heads www.meas-spec.com 08/19/2015 1711 139th Lane NW Andover, MN 55304 +1 800.899.9783 temp.eng.us meas-spec.comConnection Heads dimensions Stainless Steel and Aluminum (Shown) Cast Iron (3.50 ) (3.625 ) (3.50 ) (3.875 ) 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 Style Part Number Model Number 690A Stainless Steel R-10331-4F6 690D 4 5 6 690B Aluminum R6714-4F6 690G 4 5 6 690C Polypropylenev R-6717-4F6 690B 4 5 6 690D Cast Iron R-6718-4F6 690A 4 5 6 690G Small Stainless Steel Model Process Thread 4 1/2 NPT (Standard) 5 3/4 NPT Model Control Thread 4 1/2 NPT 5 3/4 NPT (Standard) Model Terminal Block 4 4-Place Fiberglass 6 6-Place Fiberglass * 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 speci cally 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 customers technical experts. Measurement Specialties, Inc. does not convey any license under its patent rights nor the rights of others. Connection Heads www.meas-spec.com 08/19/2015 1711 139th Lane NW Andover, MN 55304 +1 800.899.9783 temp.eng.us meas-spec.com