Does overheated equipment have you hot under the collar? Choose this monitoring relay from ABB. Its inbuilt PTC thermistor keeps a close eye on thermal energy in your system to protect against overheating and winding temperature increases. Thanks to its screw terminals, you can wire this device in no time without the need for special tools. As it offers automatic, manual and remote reset options, it's a versatile piece of kit.
Features & Benefits
• Robust mechanical lifespan of 30 million cycles for long-lasting performance • Snaps into place on a DIN rail for speedy installation • Wide operating temperature range between -25°C and +60°C for use in demanding environments • Protection against short circuits and overload for increased electrical safety • Terminals have an IP20 rating, meaning they're finger-safe and protected from tools and wires larger than 12mm
Applications
• Industrial power supplies • Medical equipment • Motor control operations
How large is this product?
This item has compact dimensions of 103.7 (L) x 22.5 (W) x 85.6mm (H), so it's just the thing for installation on a rail with limited space.
Attribute
Value
Monitoring Application
Temperature
Electrical Phase
1
Contact Configuration
DPDT
Mounting Type
DIN Rail
Time Delay
<100ms
Frequency Sensing Range
50 → 60Hz
Temperature Sensitivity
Overtemperature, Winding Temperature
Series
CM-MSS
Minimum Voltage Sensed
220V ac
Minimum Frequency Sensed
50Hz
Operating Temperature Range
-25 → +60°C
Dimensions
103.7 x 22.5 x 85.6mm
Current Range
Maximum of 3.7mA
Maximum Voltage Sensed
240V ac
Length
103.7mm
Height
85.6mm
Maximum Operating Temperature
+60°C
Width
22.5mm
Terminal Type
Screw
Minimum Operating Temperature
-25°C
Number of Poles
1
Special Features
Fail-Safe, Inbuilt PTC Sensor, Insufficient Cooling Protection, Manual & Automatic Reset, Non-Volatile Fault Storage, One Measuring Circuit, Over Heating Protection, Over Load Protection, Remote Reset, Short-Circuit Monitoring of the Sensor Circuit