Siemens Reyrolle 7PG17 Interposing & Supervision Relay
The Siemens Reyrolle 7PG17 range includes high-performance electro-mechanical relays designed for interposing, trip circuit supervision, and DC supply monitoring applications. These relays ensure dependable control, protection, and monitoring functions in power systems, offering multiple configuration options for coils, contacts, and operational modes
Technical Specifications
Type: Interposing, Trip Circuit & Supply Supervision Relays
Brand: Siemens Reyrolle
Model Range: 7PG17 (XR105–XR351 series)
Applications: Control interfaces, DC voltage monitoring, trip circuit supervision, ferroresonance alarms
Features:
Remote control operation over pilot wires (up to 200 Ω resistance)
Designed to resist induced AC voltages
DC voltage monitoring with delayed drop-off and visual indicators
Trip circuit integrity monitoring and remote alarm capability
Configurable operation/reset modes with mechanical flags
Variants:
7PG173 – Interposing Relays (XR105, XR106, XR107, XR205, XR206)
7PG174 – DC Supply Supervision Relays (XR152, XR153)
7PG175 – Trip Circuit Supervision (XR151, XR250, XR251, XR350, XR351)
Compliance: CEGB, BEBS S15 Scheme H7, IEC Standards
Voltage: DC 24V–240V (model dependent)
Mounting: Panel-mounted
Brand: Siemens Reyrolle
Model Range: 7PG17 (XR105–XR351 series)
Applications: Control interfaces, DC voltage monitoring, trip circuit supervision, ferroresonance alarms
Features:
Remote control operation over pilot wires (up to 200 Ω resistance)
Designed to resist induced AC voltages
DC voltage monitoring with delayed drop-off and visual indicators
Trip circuit integrity monitoring and remote alarm capability
Configurable operation/reset modes with mechanical flags
Variants:
7PG173 – Interposing Relays (XR105, XR106, XR107, XR205, XR206)
7PG174 – DC Supply Supervision Relays (XR152, XR153)
7PG175 – Trip Circuit Supervision (XR151, XR250, XR251, XR350, XR351)
Compliance: CEGB, BEBS S15 Scheme H7, IEC Standards
Voltage: DC 24V–240V (model dependent)
Mounting: Panel-mounted
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