SIEMENS 7SR4501-2HA20-1AA0/EE RELAY

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SIEMENS 7SR4501-2HA20-1AA0/EE RELAY Specification

Application
Feeder protection, overcurrent, earth fault protection

Phase
3-Phase

Output Type
Relay contacts trip, alarm, communication

Features
LCD display, event recording, communication ports (RS485, Ethernet)

Rated Current
Configurable to 1 A / 5 A

Power Supply
19 60 V DC

Cooling Method
Natural convection

Noise Level
Silent operation

Current Range
1 A / 5 A (configurable)

Connector Type
Screw-type terminal

Operating Temperature
-25C to +70C

Working Temperature
-25C to +70C

Product Type
Digital protection relay

Output Frequency
50/60 Hz

Input Voltage
19 60 V DC

Voltage Protection
Three-phase overcurrent and earth fault

Efficiency
High (DSP controlled)

Material
Flame-retardant ABS housing

Storage Temperature
-40C to +85C

Weight
Approx 2.2 kg

User Interface
Push-button keypad and graphical screen

Dielectric Strength
2 kV (for 1 min)

Protection Functions
Three-phase overcurrent, earth fault, negative sequence, breaker fail, cold load pickup

Dimensions (H x W x D)
177 x 170 x 171 mm

Model Number
7SR4501-2HA20-1AA0/EE

Trip Output Contacts
4 configurable relay outputs

Communication Protocols
IEC 60870-5-103, Modbus RTU, DNP3, IEC 61850

Case Type
Withdrawable case

Display
Backlit multi-line LCD

Mounting
Panel flush mounting

Setting Groups
4 programmable

Event Logging
1000 entries

About SIEMENS 7SR4501-2HA20-1AA0/EE RELAY

Access the extraordinary reliability and intelligence of the SIEMENS 7SR4501-2HA20-1AA0/EE RELAY, the latest in feeder protection solutions. Benefit from an unprecedented bargain combining innovation with robust safety. This relay features three-phase overcurrent, earth fault, negative sequence, and breaker fail protections, plus cold load pickup. Its terrific, intuitive display and versatile user interface simplify operation, while four setting groups and extensive event logging ensure comprehensive monitoring. Enjoy flexible installation with a flame-retardant ABS housing and dependable performance across extreme temperatures, making this relay an indispensable asset for modern industrial needs.

Unmatched Material Quality and Superior Versatility

Built with flame-retardant ABS housing, the SIEMENS 7SR4501-2HA20-1AA0/EE RELAY is designed to endure challenging environments. It is suitable for demanding feeder protection and overcurrent applications. The relay offers primary competitive advantages such as programmable settings, noise-free operation, and extensive communication protocol compatibility. Its advanced design provides users with extraordinary dependability and efficient operation in critical electrical networks, ensuring both safety and performance excellence.

Quick Dispatch and Reliable Delivery

With prompt FOB Port processing, the SIEMENS 7SR4501-2HA20-1AA0/EE RELAY is ready for worldwide shipping. Estimates for delivery time are transparent and shared at order confirmation, ensuring customers are always informed. Quick dispatch guarantees your relay is delivered on schedule, with strong supply ability to meet ongoing demand. You can rely on consistent availability and timely receipt, making procurement both efficient and straightforward.

FAQs of SIEMENS 7SR4501-2HA20-1AA0/EE RELAY:

Q: How does the SIEMENS 7SR4501-2HA20-1AA0/EE RELAY benefit feeder protection systems?

A: This relay offers comprehensive protection functions such as three-phase overcurrent, earth fault, negative sequence, and breaker fail, ensuring reliable operation and minimized downtime in electrical networks.

Q: What materials make the relay suitable for harsh environments?

A: Constructed from flame-retardant ABS housing, the relay is designed for durability and safety in demanding operational conditions, resisting heat and providing long-term reliability.

Q: When can I expect delivery after placing an order?

A: Delivery times are estimated and communicated upon order confirmation, with quick dispatch processes in place to ensure timely arrival at your specified location.

Q: Where can the SIEMENS 7SR4501-2HA20-1AA0/EE RELAY be installed?

A: It is ideal for panel flush mounting and suited for industrial sites requiring high-performance feeder protection, overcurrent response, and event logging capabilities.

Q: What communication protocols are supported by this relay?

A: The SIEMENS 7SR4501-2HA20-1AA0/EE RELAY is compatible with IEC 60870-5-103, Modbus RTU, DNP3, and IEC 61850, enabling seamless integration into modern automation systems.

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