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Siemens Monitoring Relay, Panel, 24 to 250 V dc, 100V ac, 230 V ac

RS Stock No.:: 275-2119
Mfr. Part No.:: 7SR1811-2NC77-0CA0
Manufacturer:: Siemens

Siemens Monitoring Relay, Panel, 24 to 250 V dc, 100V ac, 230 V ac

Subtotal (1 unit)*

PHP498,018.54

(exc. VAT)

PHP557,780.76

(inc. VAT)

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Ready to ship from June 19, 2026

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Units	Per Unit
1 +	PHP498,018.54

*price indicative

RS Stock No.:: 275-2119
Mfr. Part No.:: 7SR1811-2NC77-0CA0
Manufacturer:: Siemens

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Product Type	Monitoring Relay
	Mount Type	Panel
	Terminal Type	Plug-In
	Minimum Operating Temperature	-10°C
	Supply DC Voltage	24 to 250 V dc
	Supply AC Voltage	100, 230V ac
	Maximum Operating Temperature	55°C
	Width	155.5mm
	Standards/Approvals	DNP3, 50BF, 79, ANSI 37/49/50/51, Modbus RTU, IEC 60870‑5‑103
	Height	168mm
	Length	216.5mm
	Series	Solkor 7SR18

	Select all
	Brand Siemens
	Product Type Monitoring Relay
	Mount Type Panel
	Terminal Type Plug-In
	Minimum Operating Temperature -10°C
	Supply DC Voltage 24 to 250 V dc
	Supply AC Voltage 100, 230V ac
	Maximum Operating Temperature 55°C
	Width 155.5mm
	Standards/Approvals DNP3, 50BF, 79, ANSI 37/49/50/51, Modbus RTU, IEC 60870‑5‑103
	Height 168mm
	Length 216.5mm
	Series Solkor 7SR18

Datasheet - 7SR1811-2NC77-0CA0

The Siemens Solkor differential protection relay provides logic editor and fault recording for analog and digital signals. It measures the standard operational value. It features molded case of size E6 and 20 Character x 4 line Backlit LCD.

Three pole tripping

Undercurrent protection ANSI 37

Thermal overload protection ANSI 49

Circuit breaker failure protection ANSI 50BF