420E212 thru 420E260 (R) (R) . . . . . Engineered solutions for the transient environment DUAL 4-20mA CONTROL LOOP PROTECTOR APPLICATIONS Security Alarm Systems Industrial Control & Monitoring Systems Remote Tech Site Station Process Control Loops FEATURES Meets IEC 1000-4-4 Level 4 Requirements Designed for 4-20mA Current Loops Automatic Reset - Will Not Interrupt Service Permanent Two-Stage Line Pair Protection Line-to-Ground (Common) & Line-to-Line (Differential) Protection Subnanosecond Response Time Effective Against Lightning, Inductive Switching & ESD 420E2 PACKAGE MAXIMUM RATINGS Operating Line Current: 100mA Operating & Storage Temperature: -55C to +100C Transient Source Voltage: 6kV Transient Current (8/20s): 10kA per Line Approximate Weight: 160 grams DESCRIPTION The 420E2 series of protection is a two-stage transient voltage protector providing primary and secondary protection against lightning, inductive switching and electrostatic discharge (ESD) transient threats. The first stage diverts the transient current through the ground terminal return path and the second stage clamps the voltage to a safe level without interruption of service. The 420E2 series is designed to protect 4-20mA analog control loops from differential and common mode transients. Terminals 1 and 2 are designated as the line pairs for both the line and equipment side of the protector. A transient voltage suppressor is internally connected across each line pair for differential mode protection. This product can also be used on telephone, signal/data lines, security, timing and control interface circuits. ELECTRICAL CHARACTERISTICS @ 25 C Ambient Temperature PROTEK PART NUMBER 420E212 420E225 420E228 420E236 420E250 420E260 MAXIMUM OPERATING LINE VOLTAGE MAXIMUM LEAKAGE CURRENT MAXIMUM CAPACITANCE @ VOP ID A MAXIMUM CLAMPING VOLTAGE (8/20s) @ 2,000A VC VOLTS V OP VOLTS 12.0 25.0 28.0 36.0 50.0 60.0 MAXIMUM LINE THRUPUT RESISTANCE @ 0 V, 1 MHz C pF R OHMS 5.0 5.0 5.0 5.0 5.0 5.0 22 44 46 60 80 95 6,000 3,000 2,800 1,500 1,200 1,000 12 12 12 12 12 12 2929 South Fair Lane * Tempe, Arizona 85282 * USA Tel 602-431-8101 * Fax 602-431-2288 * E-mail sales@protek-tvs.com * Web www.protek-tvs.com 1 INSTALLATION INSTRUCTIONS There are two (2) terminals on the Line side and three (3) wires on the Equipment side of this surge protection device (SPD). The ground lead is considered ground for both the input terminal and the equipment wire connections. For best results, the ground wire should be connected to a low impedance ground or the green wire AC power ground. It is recommended that a #14 stranded wire be used for this connection. Field (current) loops or incoming signal/data lines are to be cut or disconnected from the equipment to insert the 420E2 SPD. The Line side terminals of the protector are to be connected to the field loop wires. The Equipment side of the protector are to be connected to the protector/receiver/controller, etc. The location of the protector should be as close as possible to the equipment requiring protection. A #18 or 20 gauge wire can be used for this connection. Protectors should be installed at both ends of the loop to protect the transmitter and receiver equipment. 420E2 CASE OUTLINE 1.40" MAX (35.56 mm) 2.50" MAX (63.5 mm) 1 1 1.20" MAX (30.48 mm) GND 2 GND 0.675" MAX (17.15 mm) 2 LINE 2 EQUIPMENT (R) 5053.R1 12/98