Delta Series: Trip, Auxiliary and Supervision
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Delta ARD4 Compact electro-mechanical auxiliary re…
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Delta TRD4 Compact electro-mechanical tripping rel…
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Delta XRD Compact supervision relay
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Delta XRD-8 Trip Circuit Supervision Relay
- Trip circuit supervision for magnetic actuator circuit breakers
- Auxiliary supply supervision
- Green Supervision healthy LED
- Self-reset red Supervision Fail LED
- Two C/O alarm contacts
- Rated auxiliary voltages available for 24, 30/32, 48, 110, 125, 220, 240 or 250V dc
- Panel, rack or rail mount options
- Compact size 2, 2U high case
- Plug-in terminal block
- M4 screw terminals
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Delta XRD3 Compact high-performance relay
- Continuous supervision of trip circuit independently of the circuit breaker position
- Alarming delay to mask a circuit breaker operations
- Operation states indication by green LED (healthy) and red LED (failure alarm)
- Low‑level measuring current allows use in sensitive or high‑resistance circuits
- Trip supply source supervision
- Wide range of nominal DC voltages
- Galvanic isolation is possible between auxiliary source and supervised circuit
- Very low burden
- Continuous contact current up to 10 A
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Delta-Flex
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