Leviton 3420-009 Manual

WARNINGS AND CAUTIONS

• TO AVOID FIRE, SHOCK OR DEATH; TURN OFF POWER AT CIRCUIT BREAKER OR FUSE AND TEST THAT THE POWER IS OFF BEFORE WIRING!
• To be installed and/or used in accordance with appropriate electrical codes and regulations.
• If you are not sure about any part of these instructions, consult an electrician.
• Read material thoroughly before attempting to assemble and install this device or product.
• Incorrect assembly or installation may result in fire, electrical property damage, shock, personal injury, or death.

DESCRIPTION

Leviton's Current Loop Modules, Cat. No. 3420-009 and 3420-035 are designed as
the primary line of protection from data line impulses and transients. The Loop Circuit
Modules are connected in series as a Surge Protective Device (SPD) in the data line.

SPECIFICATIONS

Maximum DC
Operating Voltage:
Clamping Voltage
@ 10 Amps:
Maximum Surge Current: 1kA
Strike Breakdown Voltage:
3420-009:
3420-035:
Maximum Capacitance A-B Lines: L-L: 2.2 pf, L-G: 73 pf
Operating Temperature Range: -40°C to 60°C
Storage Temperature Range: -40°C to 90°C
Relative Humidity: 0 to 95% non-condensing
Altitude: -1000 ft. to 15000 ft.
Tested to UL 497B
Solid state semi-conductor SPD circuitry for Loop Circuit protection (Line to Line protection and both Line 1 and Line 2 to
Ground).The SPD's enclosure is a non-conductive ABS case. ABS is a flame retardant thermoplastic, compliant with UL
497B polymeric material test requirements.

SYSTEM VOLTAGE REQUIREMENTS

Surge Protection Devices (SPDs) are intended for use in Current Loop Circuit applications. The voltage for
Cat. No. 3420- 009 SPD's ranges from -9.0 to +9.0 VDC with a maximum continuous operating voltage of
9.2VDC. The voltage for Cat. No. 3420-035 SPD's ranges from -35 to +35VDC with a maximum continuous
operating voltage of 38.5VDC.
SURGE PROTECTIVE DEVICE
4-20 mA CURRENT LOOP MODULE
Cat. No. 3420-009, 3420-035
Installation INSTRUCTIONS
3420-009 3420-035
9.0VDC 35VDC
81V 115V
100V/micro second 100V/S
13V 10.5
48.6V 40.8V
Figure 1 - Terminal Connections
Loop Circuit Module
Current Source 4-20 System Module
1 1
1
1
Shield
Shield
SH
2
2
2 2
Input Output
DI-000-03420-00F
ENGLISH
Figure 2 - Connector Locations
3-Pin Terminal
Connectors
(2 Included)
3-Pin
Headers (2)
Retaining
Screws
Brass Terminal Plate
Connected To Ground
Braided Ground Wire
Figure 3 - Typical Module Locations
Note: Insert Loop Circuit Module at any one
of the locations marked "X".
CONTROLLER
CIRCUIT
CURRENT
SOURCE
- + - +
- +
- +
LOAD
+ - +
-
LOAD LOAD