COMMFRONT Industrial 4-Wire RS422 / RS485 / RS232 Surge Protector Passive 3-Stage Surge Protection DIN-Rail Mount

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COMMFRONT Industrial 4-Wire RS422 / RS485 / RS232 Surge Protector Passive 3-Stage Surge Protection DIN-Rail Mount

Regular Price: US$113.99

Special Price US$94.99

Availability: In stock

Supplier: COMMFRONT

Category: Electronics Accessories & Supplies Power Strips & Surge Protectors Surge Protectors

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Industrial 4-wire RS485/RS422/RS232 Surge Protector

p/n SPD-422-1

The SPD-422-1 is a passive, rugged, industrial-grade, 4-wire RS422 / RS485 / RS232 surge protector that can be used to limit the remote lightning, voltage surges and spikes introduced to the RS422 / RS485 / RS232 data lines. This industrial RS422 / RS485 / RS232 surge protector features 3-stage surge protection – Gas Discharge Tubes (GDT), Protection Resistors (PR), and Transient Voltage Suppressors (TVS) - for maximum protection. The SPD-422-1 is designed to connect in series to the input of the protected equipment; when a high-voltage surge is introduced into the input, the GDT conducts electric current after becoming ionized, which in turn discharges the high-voltage surge to the earth ground. The excessive voltage will be further clamped to a safe range that the equipment can accept by the TVS.

This industrial 4-wire RS422 / RS485 / RS232 surge protector features passive circuitry designs and thus requires no external power; it supports data rates up to 10Mbps and can be used for protecting RS422, RS485, RS232, telephone, facsimile, and other communication equipment.

The SPD-422-1 comes with a dedicated cable lug for solid earth ground connections and can be mounted directly onto a standard 35mm DIN rail, making it an ideal solution for heavy-duty industrial applications.

Features

Rugged industrial-grade 4-wire RS422 / RS485 / RS232 surge protector (passive)
Protects RS-422, RS-485, RS-232, telephone, facsimile and other communication lines
3-stage surge protection
5-way self-clamping terminal blocks for data lines and the shield wire
Dedicated cable lug for solid earth ground connections
Passive circuitry, no power is required
Supports data rates up to 10Mbps
Operating temperature: -40°F to 185°F (-40°C to 85°C)

SPECIFICATIONS

Compatibility:	EIA/TIA RS-422 / RS-485 / RS-232 standards
Protection:	3-stage surge protection: Gas Discharge Tubes (GDT), Protection Resistors (PR), and Transient Voltage Suppressors (TVS)
Number of Protected Wires:	4+1
Power Source:	Passive device, no external power supply required
Clamping Voltage (stage 1):	30 V
Series Resistance (stage 2):	2.2 Ohms
Clamping Voltage (stage 3):	6 V
Response Time:	=1ns
Insertion Loss (10MHz):	=0.5dB
Data Rates:	Up to 10Mbps
Cable Lug for Earth Ground:	Dedicated cable lug for earth ground connection (cable size: up to 12AWG / 3.3mm2)
Terminal Blocks:	5-way self-clamping terminal blocks (wire gauge: 16-26AWG)
Dimensions (H x W x D):	3.0 x 2.4 x 1.0 in (75 x 62 x 25 mm)
Mounting:	Direct 35mm DIN-rail mounting
Weight:	3.9 oz (110 g)
Operating Temperature:	-40°F to 185°F (-40°C to 85°C)

Industrial 4-wire RS422 Surge Protector connections


	SPD-485-1	SPD-422-1	SPD-ETH-1
Number of Protected Wires	2+1	4+1	8
Number of Protection Stages	3	3	2
Gas Discharge Tubes (GDT)	✓	✓	✓
Transient Voltage Suppressors (TVS)	✓	✓	✓
Protection Resistors (PR)	✓	✓	-

Operating temperature: -40°F to 185°F (-40°C to 85°C). Direct DIN-Rail mounting. Dedicated cable lug for solid earth ground connections. 5-way self-clamping terminal blocks for data lines and the shield wire. Passive circuitry, no external power supply is required. Supports data rates up to 10Mbps. 3-stage surge protection: Gas Discharge Tubes (GDT), Protection Resistors (PR), and Transient Voltage Suppressors (TVS). Rugged industrial-grade 4-wire RS422 / RS485 / RS232 surge protector (passive). Protects RS-422, RS-485, RS-232, telephone, facsimile and other communication lines.