INM 5500 Rev 11
34
Hazardous area
Safe area
6 .2 .5
MTL5524 - Solenoid Alarm driver
Single channel, powered, logic drive with phase reversal
The MTL5524 enables an on/off device in a hazardous area to be controlled by a volt-free
contact or logic signal in the safe area. It can drive loads such as solenoids, alarms, LEDs and
other low power devices that are certified as intrinsically safe or are classified as non-energy-
storing simple apparatus.
6
5
4
3
2
1
7
8
9
10
11
12
13
14
Solenoid, alarm
or other IS device
+
–
Vs–
Vs+
20 to 35V dc
+
–
Control
‡
‡ use link to reverse phase
Terminal
Function
1
Output –ve
2
ve
8
Phase reversal link
9
Phase reversal link
11
Control –ve
12
Cve
13
Supply –ve
14
ve
Figure 6 .14:
Top label
for MTL5524
