Siemens Monitoring Relay, 60 → 240 V dc, 240V ac, 60 V ac
- RS Stock No.:
- 275-2027
- Mfr. Part No.:
- 7SR1003-2KA20-2CA0
- Brand:
- Siemens
Subtotal (1 unit)*
$2,978.46
(exc. GST)
$3,276.31
(inc. GST)
FREE delivery for orders over $80.00 ex GST
Stocked by manufacturer
- Ready to ship from 24 December 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | $2,978.46 |
*price indicative
- RS Stock No.:
- 275-2027
- Mfr. Part No.:
- 7SR1003-2KA20-2CA0
- Brand:
- 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 | |
| Current Sensitivity | 5 A, 1 A | |
| Minimum Operating Temperature | -10°C | |
| Supply AC Voltage | 240V ac, 60V ac | |
| Supply DC Voltage | 60 → 240 V dc | |
| Relay Contact Current | 5A | |
| Maximum Operating Temperature | 60°C | |
| Height | 185mm | |
| Width | 105mm | |
| Standards/Approvals | RoHS, IEC 60870-5-103, ANSI 50BF, ANSi 49 | |
| Length | 186mm | |
| Series | ARGUS-7SR1003 | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Monitoring Relay | ||
Current Sensitivity 5 A, 1 A | ||
Minimum Operating Temperature -10°C | ||
Supply AC Voltage 240V ac, 60V ac | ||
Supply DC Voltage 60 → 240 V dc | ||
Relay Contact Current 5A | ||
Maximum Operating Temperature 60°C | ||
Height 185mm | ||
Width 105mm | ||
Standards/Approvals RoHS, IEC 60870-5-103, ANSI 50BF, ANSi 49 | ||
Length 186mm | ||
Series ARGUS-7SR1003 | ||
- COO (Country of Origin):
- IN
Siemens ARGUS-7SR1003 Series Monitoring Relay, 60 to 240V Supply Voltage, 5A Relay Contact Current - 7SR1003-2KA20-2CA0
This monitoring relay provides non-directional overcurrent protection and control for industrial power systems. It accepts 1A or 5A measuring inputs and operates with AC or DC auxiliary supplies, offering integrated breaker control and multiple communication options for supervisory systems. The unit includes digital inputs and outputs for external signalling and supports serial protocols for remote interrogation.
Features and Benefits:
• 60 to 240V DC supply enables flexible auxiliary powering options
• 240V AC/60V AC operation supports varied AC supply networks
• 1A/5A current sensitivity allows precise CT compatibility
• ANSI50BF circuit breaker failure function ensures backup tripping
• 5A relay contact current provides direct signalling and interlock
• 240V AC/60V AC operation supports varied AC supply networks
• 1A/5A current sensitivity allows precise CT compatibility
• ANSI50BF circuit breaker failure function ensures backup tripping
• 5A relay contact current provides direct signalling and interlock
Applications
• Suitable for feeder overcurrent protection in substations
• Ideal for integration with SCADA via serial protocols
• Used with breakers for trip-circuit supervision and control
• Can be used for negative-sequence unbalance detection
• Suitable for networks requiring sequence-of-events recording
• Ideal for integration with SCADA via serial protocols
• Used with breakers for trip-circuit supervision and control
• Can be used for negative-sequence unbalance detection
• Suitable for networks requiring sequence-of-events recording
Which communication protocols does it support?
It supports IEC 60870-5-103, Modbus RTU and DNP3.0 over RS485 and a front USB port.
What inputs and outputs are available for interfacing?
It provides up to four current inputs, six digital inputs and six digital outputs including signalling contacts.
How is time synchronisation achieved?
Time synchronisation is provided via binary inputs or the communication channel.
What environmental range does it tolerate?
It is rated for continuous operation between -10°C and +60°C.