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Figure 7 a, Fail-safe tripping ( ) non-fail-safe tripping, Circuit breaker contactor – Rockwell Automation 825-P Modular Protection System for Motors User Manual User Manual

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Rockwell Automation Publication 825-UM004D-EN-P - November 2012

Chapter 2 Installation

Figure 6 - TRIP Relay Output Contact Configurations

Figure 7 shows fail-safe and non-fail-safe wiring methods to control breakers and
contactors. Keep in mind that the “Fail-Safe (Electrically Held)” and “Non-Fail-
Safe” labels apply to the whole row that they are aligned with and not just to the
single diagram that they are next to.

Figure 7 - TRIP Contact Fail-Safe and Non-Fail-Safe Options

NOTE:

Contact numbering changes are based on TRIP Fail-Safe setting.

Fail-Safe Tripping ( )

Non-Fail-Safe Tripping

95

96

98

TRIP

95

98

96

TRIP

NOTE: Contact numbering changes are based on the TRIP Fail-Safe Setting.

Fail-Safe
(Electrically Held)

Non-Fail-Safe

Circuit Breaker

Contactor

CR

96

95

STOP

START

Contactor Coil

CR

52A

Breaker Trip Coil

TC

98

95

CR

STOP

START

96

95

Contactor Coil

CR

95

TC

52A

Breaker Trip Coil

98