Specifications

Product Type

Current Monitoring Relay

Brand

ABB

Series

Function Over- or undercurrent monitoring	Rated Control Supply Voltage (Us) 220V to 240V AC	Rated Insulation Voltage (Ui) Measuring Circuit / Output Circuit 600 VOutput Circuit 1 / Output Circuit 2 250 VSupply Circuit / Measuring Circuit 600 VSupply Circuit / Output Circuit 250V
Rated Operational Current AC-15 (Ie) (230V) 3A	Measuring Range 3 ... 30 mA 10 ... 100 mA0.1 ... 1 A	Output Type 2 C/O Contacts
Terminal Type Screw Terminals	Rated Operational Current AC-12 (Ie) (230V) 4A	Rated Operational Current DC-12 (Ie) (24V) 4A
Rated Operational Current DC-13 (Ie) (24V) 2A	Minimum Switching Capacity 24 V10 mA	Short-Circuit Protective Devices Output Circuit NC-F Type Fuses 10 A Output Circuit NO-F Type Fuses 10 A
Electrical Life AC-12 100000 cycle	Mechanical Life Nr. Operations 30000000 cycle

Conductor Cross Section Flexible

Flexible with Ferrule 2x 0.5 ... 1.5 mm²Flexible with Insulated Ferrule 2x 0.5 ... 1.5 mm²Flexible 2x 0.5 ... 1.5mm²

Conductor Cross Section Solid Core

Rigid 2x 0.5 ... 1.5mm²

Depth 103.7mm	Height 85.6mm	Weight 0.168kg
Width 22.5mm

Storage Temperature

-40°C to 85°C

Operating Temperature

-25°C to 60°C

IP Rating

IP50

Standards and Approvals

IEC 60364IEC/EN 61643UL

ABB CM-SRS.21P Current Monitoring Relay 3-30mA 10-100mA 0.1-1A 24-240VAC/DC 2CO SPDT 4A