Mors Smitt High performance Plug-In Relays for Power Market

Product catalog summary

Overview: This document provides comprehensive details on Mors Smitt's high-performance plug-in relays, tailored for heavy-duty applications in sectors such as power utilities, petrochemical industries, and mining. These relays are distinguished by their high DC breaking capacity, ability to switch inductive loads, and extended electrical lifespan, contributing to reduced life cycle costs.

Key Features:

Instantaneous auxiliary and trip relays with rapid switching times, under 20 ms for standard models and under 7 ms for fast models.
Bistable/latching trip and lockout relays that maintain contact position with voltage pulses until the next pulse.
Time relays with adjustable or fixed delay times, featuring LED indicators for status display.
Measuring and monitoring relays designed for voltage or current monitoring in power utility applications.
Trip circuit supervision relays that monitor trip circuit supply and continuity, offering both local and remote indication capabilities.

D-relays Series: Offered by Mors Smitt, a part of Wabtec Corporation, the D-relays series includes features like mechanical trip indicators, bistable models, fast switching, high DC breaking capacity, and low power consumption. These relays can be customized to meet specific application requirements.

Technical Specifications:

Contact configurations include 4 C/O, 8 C/O, and others, with rated continuous currents of 10 A.
Breaking capacities vary with AC and DC voltages, with maximum switching voltages up to 350 VDC/440 VAC.
Coil specifications cover nominal voltages from 12 to 250 VDC and 12 to 380 VAC, with detailed power consumption data.
Mechanical life cycles range from 10 to 50 million operations, with specified dielectric strengths for coil-contact and contact-contact.
Environmental specifications include operating temperature ranges, humidity tolerance, and protection categories.

Standards and Compliance: The relays adhere to standards such as EN 60255, EN 60947, EN 60947-5-1, and IEC 61810, ensuring reliability and safety in industrial applications.

Additional Options: Relays can be equipped with options like mechanical hand reset flags, heavy-duty contacts, test buttons, and wide operating temperature ranges for further customization.

Conclusion: Mors Smitt's D-relays provide robust solutions for demanding industrial applications, emphasizing flexibility, reliability, and compliance with international standards.

Specifications:
1. Contact Specifications: The document details various contact materials, configurations, and ratings for different relay types. Common materials include Ag and Ag with 0.2 μm Au. Configurations range from 1 C/O to 4 C/O, with rated continuous currents up to 10 A and maximum switching voltages up to 440 VAC or 350 VDC.
2. Coil Specifications: Nominal voltages for DC and AC range from 12 V to 250 V. Power consumption varies, with DC coils consuming between 0.5 W to 3.2 W and AC coils consuming up to 3.5 VA. Operating ranges are typically 0.8 to 1.2 Un.

Technical Data:
1. Mechanical Life Cycles: Relays have mechanical life cycles ranging from 10 million to 50 million cycles.
2. Dielectric Strength: Coil-contact dielectric strength ranges from 2000 VAC to 4000 VAC.
3. Environmental Conditions: Operating temperatures range from -25°C to +70°C, with humidity tolerance up to 95% at 40°C. Salt mist resistance is specified at 5% NaCl for 4 days.

Standards and Compliance:
Relays comply with standards such as EN 60255, EN 60947, EN 60947-5-1, and IEC 61810.

Applications and Features:
1. Lockout Relays: Designed for heavy-duty applications, these relays support both AC and DC voltages and feature plug-in designs, cadmium-free contacts, and continuous coil energization.
2. Time Delay Relays: Available in delay-on and delay-off configurations, these relays are suitable for demanding applications with adjustable time ranges and LED indicators.
3. Voltage Monitoring Relays: These relays monitor DC voltage with adjustable pull-in and hysteresis settings, featuring plug-in designs and cadmium-free contacts.

Dimensions and Protection:
Relays have varying dimensions, typically around 40 x 40 x 76 mm to 45 x 55 x 89 mm, and are protected under IP40 category.

Remarks:
Standard coils are 50 Hz, with 60 Hz available on request. Other voltages and options are also available upon request.

Catalog excerpts

Mors Smitt High performance Plug-In Relays for Power Market-1

MorsSmitt Industrial Technology High performance plug-in relays

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Mors Smitt High performance Plug-In Relays for Power Market-2

Power generation and distribution operators across the world rely on our relays

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Mors Smitt High performance Plug-In Relays for Power Market-3

Product range D-relays series The unique plug-in D-relay concept is specifically designed for heavy duty applications in power utilities, petro chemical industries and mining. High DC breaking capacity and inductive load switching offer long electrical life and low life cycle costs. The Solve-All relay application concept offers ultimate flexibility to design and supply tailor made D-relays. Today D-relays are used in millions across the world. Instantaneous auxiliary and trip relays Direct switching power relays designed for heavy duty applications in demanding markets. The instantaneous auxiliary...

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Technical details Features D-relays • • • • • • Mechanical trip indicator Bistable / latching models Fast switching ip to < 7 ms High DC breaking capacity Low power consumption Optional time functions Reset / type Voltage range Transient overvoltage Operating burden Operating voltage Operating time Self reset relays < 5 W Reset coils = 0 W Self reset During pull-in 25 W Continuous 1 W High speed tripping relays D-R Self reset Bistable / latching remote relays BD KDN Electrical reset During pull-in 1.7 W / 4 VA Reset coils = 0 W 0.7 W - 1.2 W Pick-up timing * See our website for more types and...

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Options The D-relays (and derived models) can be equipped with options mentioned below. This Solve-All relay concept allows the D-relay to be composed to a solution for almost any application. Options* Function Specification A Mechanical hand reset flag B Heavy duty contacts, magnetic arc blow-out 7 A, DC1 @ 110 V H High burden 10 µF, 1.5 Un S Mechanical following flag T Test button V Wide operating and temperature range 70 % ...125 % Unom / -25 oC...+70 oC * Not all options can be combined, see our website for more details and options Flush mounting Screw terminals Spring clamp terminals Spring...

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Instantaneous auxiliary relay 10 A, 4 C/O Trip and control applications, switching of AC & DC voltages, resistive and inductive loads. • • • • • • • • Connection diagram Contact specifications Plug-in 4 C/O contacts DC (with back EMF diode) and AC coil LED indicator (standard) Cadmium free contacts HD contacts optional Trip indicator optional Following flag optional Contact material Ag Number & configuration 4 C/O Rated continuous current 10 A Breaking capacity AC 1 10 A / 230 V Breaking capacity DC 1 1 A / 110 V Max. make current 16 A Max. switching voltage 350 VDC / 440 VAC Min. switched voltage...

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Fast trip relay 10 A, 3 C/O Trip applications, switching of AC & DC voltages, resistive and inductive loads. • • • • • • • • Contact specifications Plug-in 3 C/O contacts Cadmium free contacts ‘Smitt-style’ pinning with integrated retaining silver plated clip Fast switching <7 ms (for DC only) (option R, standard) HD contacts optional Trip indicator optional Following flag optional Contact material Ag Number & configuration 3 C/O Rated continuous current 10 A Breaking capacity AC1 10 A / 230 V Breaking capacity DC1 1 A / 110 V Max. make current 16 A Max. switching voltage 350 VDC Min. switched...

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Instantaneous auxiliary relay 10 A, 8 C/O Heavy duty applications, switching of AC & DC voltages, resistive and inductive loads. • • • • • • • • Plug-in 8 C/O contacts AC/DC coil voltage (rectifier bridge, option U, standard) Coil is suitable for AC/DC voltage LED indicator (option L, standard) Cadmium free contacts HD contacts optional Trip indicator optional Contact material Ag Number & configuration 8 C/O Rated continuous current 10 A Breaking capacity AC1 10 A / 230 V Breaking capacity DC1 1 A / 110 V Max. make current 16A Max. switching voltage 350 V DC / 440 VAC Min. switched voltage 12...

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Fast trip relay 10 A, 7 C/O Heavy duty applications, switching of AC & DC voltages, resistive and inductive loads. • • • • • • • • Connection diagram Plug-in 8 C/O contacts AC/DC coil voltage (rectifier bridge, option U, standard) Coil is suitable for AC/DC voltage LED indicator (option L, standard) Cadmium free contacts HD contacts optional Trip indicator optional Contact specifications Contact material Ag Number & configuration 8 C/O Rated continuous current 10 A Breaking capacity AC1 10 A / 230 V Breaking capacity DC1 1 A / 110 V Max. make current 16A Max. switching voltage 350 VDC Min. switched...

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Bistable / latching Heavy duty applications, switching of AC & DC voltages, resistive and inductive loads. • • • • • • Plug-in 3 C/O + 1 N/C contacts DC and AC coil Cadmium free contacts Puls activated resolving in less heat dissipation and energy consumption Continuous coil energization permitted Contact specifications Contact material Ag Number & configuration 3 C/O + 1 N/C Rated continuous current 10 A Breaking capacity AC1 10 A / 230 V Breaking capacity DC1 1 A / 110 V Max. make current 16 A Max. switching voltage 250 VDC / 440 VAC Min. switched voltage 12 V Min. switched current 10 mA (Au,...

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Bistable / latching Heavy duty applications, switching of AC & DC voltages, resistive and inductive loads. • • • • • • Plug-in 8 C/O contacts DC and AC coil Cadmium free contacts Position indicator (red/green) Continuous coil energization permitted Contact specifications Contact material Ag Number & configuration 8 C/O Rated continuous current 10 A Breaking capacity AC1 10 A / 230 V Breaking capacity DC1 1 A / 110 V Max. make current 16 A Max. switching voltage 350 VDC / 440 VAC Min. switched voltage 12 V Min. switched current 10 mA (Au, 1 μV, 1 μA) Peak inrush current 200 A for 10 ms, 40 A for...

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Latching / bistable Pulse activated applications, resolving in less heat dissipation and energy consumption. • • • • • • • • Plug-in 2 C/O contacts DC and AC coil Flash barriers Weld no transfer contacts Cadmium free contacts ‘Smitt-style’ pinning with integrated retaining silver plated clip Contious coil energisation permitted Contact material Number & configuration Rated continuous current Breaking capacity AC1 Breaking capacity DC1 Max. make current Max. switching voltage Min. switched voltage Min. switched current Coil specifications Nominal voltage (Un DC) Power consumption (DC / AC) Operating...

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