1SDA126490R1 ABB T-Sense Busbars E1.3–E6.3

1SDA126490R1 ABB T-Sense Busbars E1.3–E6.3

ABB 1SDA126490R1 T-Sense Busbars is a self-powered wireless busbar temperature sensing accessory for SACE Emax 3 E1.3, E2.3, E4.3 and E6.3 low-voltage power circuit-breaker installations.

SKU: 1SDA126490R1MPN: 1SDA126490R1
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List Price £590.55 ex VAT
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Why Choose the ABB 1SDA126490R1 T-Sense Busbars?

The ABB 1SDA126490R1 is a T-Sense Busbars wireless temperature sensing accessory designed for ABB SACE Emax 3 low-voltage power circuit breakers. As part of the advanced ABB Emax 3 accessory range, it provides continuous thermal monitoring of busbars and electrical connections for E1.3, E2.3, E4.3 and E6.3 circuit-breaker installations.

The T-Sense Busbars sensor helps identify abnormal temperature conditions and potential hotspots in electrical distribution systems, supporting condition-based maintenance and improved system reliability. It communicates through a Bluetooth mesh network and can form part of an Emax 3 monitoring system with multiple T-Sense devices installed throughout an electrical panel.

Designed specifically for ABB SACE Emax 3 E1.3–E6.3 circuit breakers, the T-Sense Busbars is self-powered from the current circuit, with a minimum current of 40 A. It supports busbar configurations ranging from two 5 × 50 mm busbars up to six 10 × 100 mm busbars, making it suitable for thermal monitoring across a wide range of low-voltage switchboard installations.

Key Advantages

  • Purpose-designed wireless busbar temperature sensor for ABB SACE Emax 3.
  • Compatible with E1.3, E2.3, E4.3 and E6.3 circuit-breaker installations.
  • Provides continuous thermal monitoring to help identify busbar hotspots and compromised connections.
  • Self-powered from the current circuit, reducing the need for a local sensor battery.
  • Wireless communication through a Bluetooth mesh network.
  • Supports integration of up to 20 sensors per network.

Key Features

  • ABB T-Sense Busbars wireless sensing accessory.
  • ABB order code 1SDA126490R1.
  • Designed for the SACE Emax 3 low-voltage power circuit-breaker range.
  • Compatible with E1.3–E6.3 circuit-breaker sizes.
  • Continuous monitoring of busbar thermal conditions.
  • Self-powered from the monitored current circuit.
  • 40 A minimum current for self-powered operation.
  • Bluetooth mesh connectivity for wireless sensor networking.
  • Supports up to 20 T-Sense sensors on each network.
  • Suitable for busbar arrangements from two 5 × 50 mm bars up to six 10 × 100 mm bars.

Reliable Busbar Temperature Monitoring

Busbar connections can develop elevated temperatures as a result of conditions such as increased electrical resistance or deteriorating connections. Continuous thermal monitoring helps operators identify developing hotspots before they contribute to equipment damage, unplanned downtime or reduced reliability within an electrical distribution system.

The ABB T-Sense Busbars provides wireless thermal condition information within the Emax 3 ecosystem. Its self-powered design and Bluetooth mesh communication simplify sensor deployment within compatible switchboards, while multiple sensors can be used to monitor important busbar connections throughout the electrical panel.

Typical Applications

  • ABB SACE Emax 3 low-voltage power circuit-breaker installations.
  • Busbar temperature and hotspot monitoring.
  • Low-voltage switchboards and distribution panels.
  • Industrial electrical distribution systems.
  • Condition-based and predictive maintenance systems.
  • Commercial, infrastructure and critical-power installations.

Technical Specifications

Product group Emax 3
Series SACE Emax 3
Order code 1SDA126490R1
MPN 1SDA126490R1
GTIN 8056221279895
Product type Wireless busbar temperature sensing accessory
Compatible circuit breakers ABB SACE Emax 3
Compatible sizes E1.3, E2.3, E4.3 and E6.3
Function Busbar thermal monitoring and hotspot detection
Communication Bluetooth mesh
Maximum sensors per network 20
Sensor power Self-powered from current circuit
Minimum current for self-powered operation 40 A
Busbar compatibility From 2 × 5 × 50 mm up to 6 × 10 × 100 mm busbars
System auxiliary supply Ekip Supply Lite or Ekip Supply Evo Modbus TCP required
Net weight 0.2 kg

Frequently Asked Questions

What is the ABB 1SDA126490R1 used for?

The ABB 1SDA126490R1 is a T-Sense Busbars wireless sensor designed to monitor thermal conditions on busbars in compatible ABB SACE Emax 3 low-voltage power circuit-breaker installations.

Which ABB circuit breakers are compatible with the 1SDA126490R1?

The T-Sense Busbars is designed for ABB SACE Emax 3 E1.3, E2.3, E4.3 and E6.3 circuit-breaker installations.

How is the ABB T-Sense Busbars sensor powered?

The T-Sense Busbars is self-powered from the current circuit and requires a minimum current of approximately 40 A for self-powered operation.

How does the T-Sense Busbars communicate?

The sensor uses a Bluetooth mesh network, allowing multiple T-Sense sensors to operate as part of a connected Emax 3 monitoring system.

How many T-Sense sensors can be used on one network?

Up to 20 sensors can be used on each T-Sense network, enabling temperature monitoring at multiple locations within an electrical panel.

ABB Emax 3 Monitoring Technology

ABB SACE Emax 3 T-Sense technology enables wireless thermal condition monitoring within low-voltage electrical distribution systems, helping operators identify busbar hotspots and monitor critical connections as part of a modern condition-based maintenance strategy.