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1SDA085700R1 ABB S51/2 24 V E2.2-E6.2 Trip Signalling Contact
ABB 1SDA085700R1 is an S51/2 24 V DC second trip signalling contact for signalling operation of the Ekip protection trip unit on compatible SACE Emax 2 E2.2 through E6.2 air circuit breakers.
£60.20
Why Choose the ABB 1SDA085700R1 S51/2 24 V Trip Signalling Contact?
The ABB 1SDA085700R1 is a genuine S51/2 electrical trip signalling contact designed for compatible ABB SACE Emax 2 air circuit breakers from frame size E2.2 through E6.2. This version operates in 24 V DC signalling circuits and provides an additional electrical indication when the Ekip protection trip unit operates.
Identified by ABB as S51/2 24V E2.2...E6.2, the accessory serves as the second trip signalling contact in an Emax 2 installation. It enables an additional external circuit to receive a dedicated protection-trip indication for use with alarms, remote indication, supervision or control systems.
Unlike a standard breaker open/closed auxiliary contact, the S51/2 is associated specifically with protection trip signalling. This distinction makes the 1SDA085700R1 particularly useful in switchboards where operators or supervisory systems need to differentiate a protection-device trip from normal circuit breaker switching.
Key Advantages
- Genuine ABB SACE Emax 2 electrical accessory.
- Provides a second protection-trip signalling contact.
- Designed for 24 V DC signalling circuits.
- Compatible with Emax 2 E2.2 through E6.2 circuit breaker frames.
- Provides a dedicated indication following operation of the Ekip protection trip unit.
- Supports remote alarm, annunciation and supervisory applications.
- Helps distinguish a protection trip from ordinary breaker open/closed status.
- Suitable for integration into industrial switchboard signalling and automation systems.
Key Features
- S51/2 second trip signalling contact.
- 24 V DC electrical version.
- Designed for ABB SACE Emax 2.
- Compatible with E2.2, E4.2 and E6.2 frame families.
- Provides signalling of Ekip protection trip unit operation.
- 1 changeover contact.
- Spring-type electrical connection.
- Designed as an additional trip-status signalling contact.
- ABB order code 1SDA085700R1.
- ABB US/Canada part number ZEBBAD2.
Protection Trip Signalling for Emax 2
The S51 family of contacts is used to signal operation of the Ekip protection trip unit. This provides information that differs from a conventional open/closed auxiliary contact: the S51 signal identifies a breaker opening associated with a protection trip rather than simply indicating the mechanical position of the circuit breaker.
The ABB 1SDA085700R1 is specifically the S51/2 24 V DC version, providing a second trip signalling contact for compatible Emax 2 E2.2–E6.2 breakers. This additional signal can be incorporated into alarm panels, PLC inputs, supervisory equipment or other compatible control circuits requiring dedicated protection-trip status.
Typical Applications
- ABB SACE Emax 2 E2.2 air circuit breakers.
- ABB SACE Emax 2 E4.2 air circuit breakers.
- ABB SACE Emax 2 E6.2 air circuit breakers.
- Remote protection-trip indication.
- Switchboard alarm and annunciation systems.
- PLC and industrial automation signalling.
- Supervisory and power-management systems.
- Low-voltage distribution systems requiring a second trip-status signal.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| ABB order code | 1SDA085700R1 |
| Product designation | S51/2 24V E2.2...E6.2 |
| Product type | Second trip signalling contact |
| Function designation | S51/2 |
| Signalling voltage | 24 V DC |
| Compatible frame range | E2.2–E6.2 |
| Changeover contacts | 1 |
| Electrical connection | Spring connection |
| Function | Signalling operation of the Ekip protection trip unit |
| US / Canada part number | ZEBBAD2 |
| EAN | 8015644926021 |
| Product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA085700R1?
The ABB 1SDA085700R1 is an S51/2 24 V DC second trip signalling contact for compatible ABB SACE Emax 2 E2.2 through E6.2 air circuit breakers.
What voltage is the ABB 1SDA085700R1 designed for?
The 1SDA085700R1 is the 24 V DC version of the S51/2 trip signalling contact.
Which Emax 2 breakers are compatible with ABB 1SDA085700R1?
ABB specifies the S51/2 24 V accessory for the Emax 2 E2.2 through E6.2 frame range.
What does the S51/2 contact indicate?
The S51/2 provides an electrical indication associated with operation of the Ekip protection trip unit, allowing the protection-trip event to be signalled to compatible external equipment.
Is the S51/2 the same as an open/closed auxiliary contact?
No. An ordinary auxiliary contact indicates the circuit breaker's mechanical open or closed status, whereas the S51/2 is specifically used for protection-trip signalling.
How many contacts does ABB 1SDA085700R1 provide?
The 1SDA085700R1 provides one changeover contact for the S51/2 signalling function.
Is there a 250 V version of the S51/2 contact?
Yes. ABB order code 1SDA085699R1 identifies the corresponding 250 V S51/2 trip signalling contact for Emax 2 E2.2–E6.2 breakers.
What is the US/Canada part number for ABB 1SDA085700R1?
The ABB US/Canada part number for the 1SDA085700R1 S51/2 24 V trip signalling contact is ZEBBAD2.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax 2 signalling accessories provide dedicated status information for low-voltage air circuit breakers, supporting effective integration with switchboard alarms, industrial automation, supervision and power-management systems.
