S2 CMR5

Overview

• Phase Failure
• Unbalance
• Phase sequence
• Overloading and dry running (Under current) Microcontroller based design
• SMD technology
• Auto/Manual Reset
• Adjustable current trip settings
• Selectable overload characteristics
• 2 CO output relay

Specification

Supply Voltage

• System    100-120/220-240/380-440V AC ± 20%, 48-63 Hz
• Auxillary  100-120/220-240VAC±20%, 24V DC+10%-15%

Output Relay Contact

• Output Relay Contact   2 CO

Trip Setting

• Phase to phase unbalance    50% of Motor Current (Fixed)
• Under current (Dry running)  40% to 80% of set current
• Overload     As per inverse time characteristics
• UV/OV        N.A.

Trip Time Delay

• On phase failure    4 Sec ± 1% Sec (Fixed)
• For overloading      As per Inverse Time Characteristics 2/5/10 Sec. (Selectable)
• UV/OV RP              N.A.

Resetting

• Resetting      Auto / Mannual

Approx Weight

• Approx Weight    140 gms

Dimensions (mm)

• Overall (L x W x D)      90 x 35 x 60
• Mounting (L x W)        35 mm Rail Mounting