INSTALLATION & OPERATING DATA
A T E X
M 2 / M 1
GROUP I
INTRINSICALLY
SAFE
The TX6630 Series Power Supply chassis will convert an ac supply voltage into
a stabilised and regulated Intrinsically Safe source for supplying power to
approved sensors and electronic control devices.
•
Input voltage options: 110V ac, 230V ac
•
The input supply is protected by two primary fuses.
•
There is a choice of Intrinsically Safe output voltage:
12V dc or 7.5V dc.
•
The output circuit is resistively limited in accordance with
certification standards for Intrinsically Safe, ia, equipment.
•
The TX6630 Series Power Supply Chassis may be fitted
and wired into an existing Exd housing (specific system
certification may also be required) or into a standard
protective housing that is in a SAFE AREA.
•
The TX6620 Series version is the
TX6630 Series Power supply chassis
mounted in a Trolex Exd housing
for use in a Group I hazardous area.
•
Intrinsically Safe isolation relays
may be supplied with all versions
for switching control currents
emanating from other Exd enclosures
or high voltage systems.
1 PRINCIPAL OPERATING FEATURES
2 TECHNICAL DETAILS
TX6625/35
TX6626/36
Nominal Output Voltage:
7.5V dc
12V dc
Maximum Output Current:
1.5A
0.5A
Input Supply:
110V ac or 230V ac, 50/60Hz
Operating Temperature Limits:
–5°C...+70°C
Relay Contact Rating:
10A 230V ac
(where fitted)
T
T
X
X
9
9
1
1
3
3
0
0
s
s
e
e
r
r
i
i
e
e
s
s
ISSUE D 06/14
2/12