Symcom ISS-105-ISO Catalog Page

Intrinsically-Safe Switch

Model ISS-105-ISO

Features:

• 5-channel intrinsically-safe switch

• 3 & 4 channel available

• Faster relay response time available

• Logic can be inverted

• LEDs provide proof of input and output
activation

• UL 913 listed

• Made in the USA

The Model ISS-105-ISO is a 5-channel intrinsically-safe relay switch
suitable for applications with switch inputs in hazardous locations.

The ve channels operate independently of each other and each

input and output relay has an LED that illuminates when the

corresponding input and output relay activates. The relay logic can
be inverted from positive to negative logic, meaning the output relay
will close (positive logic) when the corresponding input closes, or
the output relay will open (negative logic) when the corresponding
input closes (channels cannot be inverted independently).

The Model ISS-105-ISO comes as a basic 5-channel relay, however
three modied versions are available. The ISS-105-ISO-3 is
for 3-channel applications, the ISS-105-ISO-4 is for 4-channel
applications, and the ISS-105-ISO-F is for 5-channel applications

requiring a faster relay response time (< 0.75 seconds) after the
input is actuated.

[phone] / [phone] / Fax [phone]

[e-mail] / [e-mail]

Rev. 0909

Specications

Functional Characteristics

Debounce Time (except for the -F version)
Input/Output Channels

ISS-105-ISO

ISS-105-ISO-3
ISS-105-ISO-4
ISS-105-ISO-F

Entity Parameters

Hazardous locations

Input Characteristics

Supply Voltage

Frequency

Output Characteristics

Output Contact Rating

Pilot Duty

General Purpose

General Characteristics

Operating Temperature (Surrounding Air)
Maximum Input Power
Relative Humidity

Terminal Torque

Wire Gauge
Class of Protection

Standards Passed

Electrostatic Discharge (ESD)
Radio Frequency Immunity (RFI)
Fast Transients

Safety Marks
UL listed
Dimensions
Weight
Mounting Method

2 seconds

5 channels

3 channels
4 channels
5 channels with faster response time (< 0.75 seconds)
Voc = 16.8V

Isc = 1.2mA
La = 100mH

Ca - 0.39 µF

Po = Voc * Isc

4
Class I, Div 1 & 2, Groups A, B, C, D
Class II, Div 1 & 2, Groups E, F, G
Class III

120VAC
50/60 Hz (note: 50Hz will increase all delay timers by 20%)

480VA @ 240VAC, B300
7A @ 240VAC

-20o to 55o C (-4o to 131o F)

4 W
10-95%, non-condensing per IEC 68-2-3

6 in.-lbs.

12-20 AWG Solid or stranded
IP20 (nger safe)

IEC 61000-4-2, Level 3, 6kV contact, 8kV air
10V/m @ 150MHz
IEC 61000-4-4, Level 3, 4kV input power, 2kV inputs/outputs

UL913 6th Edition (File #233355)

3.703” H x 5.025” W x 2.350” D

1.2 lbs.

DIN rail or surface mount (with #8 screws)

Enclosure Dimensions

.192

3.511

3.750 .621

5.025

2.350

How to order:
Part Number: ISS-105-ISO

ISS-105-ISO-3
ISS-105-ISO-4
ISS-105-ISO-F

[phone] / [phone] / Fax [phone]

[e-mail] / [e-mail]

Rev. 0909