Installation Guide Current Monitoring TM TM H932 Split-Core Current Transducer with Relay, 0-5 VDC Output Product Overview The H932 is a current-sensitive device that monitors current (amperage) in any of three field-selectable ranges; 0-30, 0-60, or 0-120 amperes. These ranges represent the maximum current that can be applied to the monitored conductor. The H932 transforms the monitored current into a 0-5 VDC output suitable for connection to building controllers or other appropriate data acquisition equipment. It is also equipped with a command relay. DANGER HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH • • • • • Follow safe electrical work practices. See NFPA 70E in the USA, or applicable local codes. This equipment must only be installed and serviced by qualiﬁed electrical personnel. Read, understand and follow the instructions before installing this product. Turn oﬀ all power supplying equipment before working on or inside the equipment. Use a properly rated voltage sensing device to conﬁrm power is oﬀ. DO NOT DEPEND ON THIS PRODUCT FOR VOLTAGE INDICATION • Only install this product on insulated conductors. The H932 housing offers unprecedented mounting flexibility. The mounting bracket can be attached in three different places. Additionally, the bracket is compatible with the Veris AH01 DIN Rail clip, allowing DIN mounting. Specifications Failure to follow these instructions will result in death or serious injury. Sensor Power A qualified person is one who has skills and knowledge related to the construction and operation of this electrical equipment and the installation, and has received safety training to recognize and avoid the hazards involved. NEC2011 Article 100 No responsibility is assumed by Veris Industries for any consequences arising out of the use of this material. Amperage Range Insulation Class Relay NOTICE • • • • Frequency Range This product is not intended for life or safety applications. Do not install this product in hazardous or classiﬁed locations. The installer is responsible for conformance to all applicable codes. Mount this product inside a suitable ﬁre and electrical enclosure. Temperature Range Humidity Range Accuracy Response Time Terminal Block Wire Size Terminal Block Torque Agency Approvals Induced from monitored conductor 0 to 30/60/120 A (selectable) 600VAC RMS SPST, N.O., 24 VAC/DC 50/60 Hz -15° to 60°C (5° to 140°F) 10 - 90% RH, non-condensing ±2% full scale from 10% to 100% (selected range) 2 sec. 24-14 AWG (0.2 to 2.1 mm2) 3.5 to 4.4 in-lbs (0.4 to 0.5 N-m) UL 508 open device listing Dimensions Removable Mounting Bracket 1.0” (25 mm) 3.1” (79 mm) 1.1” (26 mm) 0.8” (21 mm) Bracket can be mounted on three sides for added installation flexibility. Self-gripping Iris 2.8” (70 mm) 1.4” (36 mm) Ø 0.3” (8 mm) Use DIN Rail Mounting clip (Veris part number AH01) to mount on standard DIN rail. 2.5” (64 mm) 3.0” (76 mm) Z201169-0B Page 1 of 3 ©2013 Veris Industries USA 800.354.8556 or +1.503.598.4564 / [email protected] Alta Labs, Enercept, Enspector, Hawkeye, Trustat, Aerospond, Veris, and the Veris ‘V’ logo are trademarks or registered trademarks of Veris Industries, L.L.C. in the USA and/or other countries. Other companies’ trademarks are hereby acknowledged to belong to their respective owners. Installation Guide Current Monitoring H932 TM Disconnect and lock out power to the enclosure containing the conductor to be monitored. Installation CONTROLLER 1. Locate a mounting surface for the removable mounting bracket that will allow the monitored conductor to pass through the center window when it is installed and that will keep the product at least ½” (13 mm) from any uninsulated conductors. Determine cable routing for the controller connection, allowing wiring to reach the mounting location. 2. Drill holes to mount the bracket to the chosen surface using the included screws. DO (Relay Coil) AI (0-5VDC) CONTROL POWER CONTACTOR 3. Set the desired amperage range (30, 60, or 120 Amps). 4. Wire the output connections between the sensor and the controller (0-5 VDC). Fan or Pump 5. Snap the sensor over the wire to be monitored and clip the assembly to the mounting bracket. Motor 6. Scale the controller software to match the sensor’s output. 7. Secure the enclosure and reconnect power. Notes For load currents greater than sensor maximum rating: Use a 5 Amp (H68xx series) current transformer (CT) as shown. This technique can be combined with wrapping (see below) to add range for a low current load on a high current source. 240A >120 A (sensor max.) 300A:5A 4A H68xx-5A CT DANGER: 5A CTs can present hazardous voltages. Install CTs in accordance with manufacturer's instructions. Terminate the CT secondary before applying current. For load currents less than sensor minimum rating: Wrap the monitored conductor through the center window and around the sensor body to produce multiple turns. This increases the current measured by the transducer. Program the controller to account for the extra turns (e.g., if four turns pass through the sensor (as shown), divide the normal reading by 4). < 1.5 A (Sensor Min.) 1A 4x CAUTION RISK OF EQUIPMENT DAMAGE • Derate the product’s maximum current for the number of turns through the sensing window using the following formula. Rated Max. Amps ÷ Number of Turns = Max. monitored Amps e.g. : 100A ÷ 4 Turns = 25 Amps max. in monitored conductor • Failure to follow these instructions can result in overheating and permanent equipment damage. Z201169-0B Page 2 of 3 ©2013 Veris Industries USA 800.354.8556 or +1.503.598.4564 / [email protected] Alta Labs, Enercept, Enspector, Hawkeye, Trustat, Aerospond, Veris, and the Veris ‘V’ logo are trademarks or registered trademarks of Veris Industries, L.L.C. in the USA and/or other countries. Other companies’ trademarks are hereby acknowledged to belong to their respective owners. Installation Guide Current Monitoring H932 TM Wiring Automation Panel (Comm) + 0-5 VDC Input 24 VAC/DC To Energize Relay Amperage Range 120 60 30 - + Output 0-5 VDC - + N.O. Command Relay Output Relay Information RELAY CONTACT RATINGS (N.O.) Resistive........ [email protected] [email protected] Inductive........ [email protected] [email protected] VDC TYPICAL COIL PERFORMANCE AC DC Voltage 24 ...................................................... 15mA 15mA 12 .................................................................... 20mA Scaling SENSOR OUTPUT 5V 0V 0A 30/60/120A* SENSED AMPS *Factory calibrated ranges selected with the amperage range switch Z201169-0B Page 3 of 3 ©2013 Veris Industries USA 800.354.8556 or +1.503.598.4564 / [email protected] Alta Labs, Enercept, Enspector, Hawkeye, Trustat, Aerospond, Veris, and the Veris ‘V’ logo are trademarks or registered trademarks of Veris Industries, L.L.C. in the USA and/or other countries. Other companies’ trademarks are hereby acknowledged to belong to their respective owners.