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ELESTA GmbH
Product Catalogue

Product Catalogue

Product catalog summary

Introduction
ELESTA relays GmbH, established in 1997, specializes in relays with forcibly guided contacts, ensuring that normally closed (NC) and normally open (NO) contacts cannot close simultaneously, even in case of a fault. These relays are essential for safety applications across industries such as machine construction, medical equipment, and railway technology.

Product Specifications
The catalogue outlines 17 relay series with 2 to 10 contacts, supporting switching currents from 3mA to 16A and excitation voltages from 3VDC to 220VDC. These relays are designed for high reliability and diagnostic coverage, making them suitable for safety controls.

Features and Materials
Relays are constructed with advanced materials and contact systems, ensuring eco-friendly designs and superior performance. Customization options include coil adjustments and encoded contact sets.

Quality and Standards
ELESTA adheres to the LEAN principle, focusing on high product quality, supply readiness, and service quality, often exceeding standards required by EN ISO 9001:2008.

Product Overview
The catalogue provides a detailed overview of various relay models, highlighting features such as small dimensions, high shock resistance, and large excitation voltage ranges. Specific models are designed for ATEX areas and offer high switching reliability.

Technical Data
Key technical specifications include:

Insulation: Basic and reinforced insulation at 250VAC with air and creepage distances exceeding 4mm.
Mechanical endurance: Over 10 million operations.
Switching frequency: 15Hz mechanical.
Response and drop-out times: Typically 10ms and 3ms, respectively.
Shock and vibration resistance: NO contact > 17g, NC contact > 7g.
Ambient temperature range: -40°C to +70°C.

Approvals and Compliance
Relays are approved by SEV, UL, cUL, and TÜV, meeting various international standards for safety and performance.

Conclusion
ELESTA relays with forcibly guided contacts are designed for high reliability and safety in critical applications. The company's commitment to innovation and quality ensures that their products meet the evolving needs of the market.

Specifications
The document provides detailed specifications for various relay series, including SIS 2, SIS 3, SIS 4, and SIS 6. Each series has specific characteristics such as contact material (AgCuNi+0.2-0.4μm Au), rated switching capacity (250VAC 6A AC1 1,500VA), and electrical life (>90,000 cycles at 360 cycles/h). The relays are designed for different applications, including railway applications (EN50155) upon request.

Procedures and Standards
The relays comply with standards such as DIN EN60947-5-1 and UL 508, with maximal switching characteristics specified for AC and DC voltages. Insulation data includes basic and reinforced insulation at 250VAC, with air and creepage distances exceeding 4mm and 8mm, respectively. Test voltages are specified at 2,500V/50Hz/1min and 4,000V/50Hz/1min.

Performance and Endurance
Mechanical endurance is rated at over 10 million operations, with a switching frequency of 15Hz. Response times for NO contacts are typically 10-15ms, while drop-out times for NC contacts are typically 3-5ms. Shock and vibration resistance are specified, with NO contacts enduring >10g and NC contacts >3g.

Environmental and Thermal Parameters
The relays operate within an ambient temperature range of -40°C to +70°C, with a thermal resistance of 45-60K/W. The temperature limit for coils is 120°C, and the relays are protected to type RT III standards.

Electrical Characteristics
The document details nominal voltages for direct current, with specific pick-up and drop-out voltages at 20°C. Nominal current and resistance values are provided for various voltages, ranging from 5VDC to 110VDC.

Additional Information
The relays are approved under UL File E188953 and meet fire protection requirements UL 94 / V0. No additional options or accessories are available for these products.

Relay Key Data

PCB Relay with forcibly guided contacts.
Protective separation between coil and contacts (>5.5mm) and contacts side by side (>5.5mm).
EN50205 type A and B compliance.
Double and reinforced insulation.
Compact height of 10.9mm.
Mean coil power ranges from 0.66W to 1W depending on the series.
Holding coil power ranges from 0.20W to 0.31W.
Suitable for railway applications (EN50155) on request.

Contact Data

Contact material: AgCuNi+0.2μm Au or AgSnO2+0.2μm Au.
Rated switching capacity: 250VAC 8A AC1 2,000VA.
Electrical life: Approximately 100,000 cycles at AC 1 (360 cycles/h).
Inrush current max: 30A for 20ms.
Switching voltage range: 5 to 250 VDC/VAC.
Switching current range: 3mA to 8A.
Switching capacity range: 40mW to 2,000W(VA).

Insulation Data

Double or reinforced insulation at 250VAC.
Air and creepage distance >5.5mm or >14mm depending on the series.
Test voltage: 4,000V/50Hz/1min or 5,000V/50Hz/1min.
Creepage resistance: CTI 175 to 550.
Pollution degree: 2.
Overvoltage category: III.

Additional Data

Mechanical endurance: >10x10⁶ operations.
Switching frequency, mechanical: 15Hz.
Response time: Typically 12ms to 20ms.
Drop-out time: Typically 5ms to 8ms.
Bounce time of NO contact: Typically 1.5ms to 4ms.
Bounce time of NC contact: Typically 8ms to 15ms.
Shock resistance: NO > 10g, NC > 2.5g to 6g.
Vibration resistance: NO > 10g, NC > 1g to 2g.
Resistance to short circuiting: 1,000A SCPD 6A to 10A gG/gL (pre-fuse).
Ambient temperature: -40°C to +70°C.
Thermal resistance: 47K/W to 50K/W.
Temperature limit for coil: 120°C.
Weight: Approximately 20g to 35g.
Mounting position: Any.
Type of protection: RT II.
Solder bath temperature: 270°C/5s.

Tests and Regulations

Approvals: UL File E188953 Sec. 1 or 6.
Insulation class: IEC 60664-1 250VAC.
Protection class: II VDE 0106.
Fire protection requirements: UL 94 / V0 or V1.

Options and Accessories

PCB socket, DIN rail socket available.
Sealed RT III on request.
Dust resistant with O-Ring.

Specifications
The document details specifications for various relay models, including the SGR282Z, SGR282ZK, SIM112, and SIM212 series. Key specifications include:

Leakage and creepage distances greater than 5.5mm and 14mm for protective separation.
EN50205 type A and B compliance.
Contact configurations such as 2 CO contacts and 1NO/1NC.
Mean coil power ranging from 0.5W to 1W, with holding coil power between 0.15W and 0.31W.

Contact Data
The relays use contact materials like AgCuNi and AgSnO2, with rated switching capacities of 250VAC and current ranges from 10mA to 8A. The electrical life is approximately 100,000 cycles at 360 cycles/hour.

Insulation and Safety
The relays provide double or reinforced insulation at 250VAC, with test voltages up to 5,000V/50Hz/1min. They meet pollution degree 2 and overvoltage category III standards.

Performance and Endurance
Mechanical endurance exceeds 10 million operations, with a switching frequency of 15Hz. Response times are typically 10-12ms, and drop-out times are 3-5ms.

Environmental and Physical Characteristics
The relays operate in ambient temperatures from -40°C to +70°C, with thermal resistance of 50K/W. They are protected to RT II standards and can withstand solder bath temperatures of 270°C for 5 seconds.

Approvals and Standards
The relays are approved under UL File E188953 and comply with IEC 60664-1 and VDE 0106 standards. Fire protection requirements are met under UL 94 / V1.

Options and Accessories
Options include PCB and DIN rail sockets, with sealed RT III and dust-resistant variants available on request.

Catalog excerpts

Product Catalogue Relays with forcibly guided contacts

Open the catalog to page 1

Product Catalogue - Relays with forcibly guided contacts Edition 06/2013 Publisher: ELESTA relays GmbH, Bad Ragaz, Switzerland All rights reserved. This work and its parts are protected by copyright. Any use in other than legally authorized cases requires the prior written consent of the publisher.

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The company ELESTA relays GmbH was founded in 1997 as a producer of relays with forcibly guided contacts, but our roots date back to the middle of the last century. Since then, relays have been designed and manufactured in Bad Ragaz in the Swiss canton of St. Gallen. The distinctive feature of these electromechanic relays is the special contact set compliant with EN 50205. All contacts are interlinked in such a way that NC contact and NO contact must never be closed simultaneously, even in case of a fault. Relays with forcibly guided contacts are primarily used in control units for functional...

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Product Overview Relays with forcibly guided contacts Small dimensions Very small dimensions Very small dimensions High shock resistance Very small dimensions High shock resistance High shock resistance High shock resistance Large excitation voltage High shock resistance Large excitation voltage Large excitation voltage Large excitation voltage Low coil power loss Large excitation voltage Large switching current range Possible component installation under the relay Very high Very high Low coil Very high switching reli- switching reliswitching reli- power loss ability ability ability High switching...

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Product Overview Relays with forcibly guided contacts Small design Small design High switching reliability High switching reliability High switching reliability High switching reliability Contact assignment Low coil power loss Wide coil working range Wide coil working range Contact assignment Contact assignment Single contact Crest contact Crest contact Crest contact Crest contact Single contact Small, horizontal design Small design Small design High switching reliability High switching reliability Extremely powerful Extrusioncoated coil design suitable for use in ATEX areas Extrusioncoated coil...

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Circuit Diagram (view on relay upper side) - PCB Relay with forcibly guided contacts - Protective separation between control and load curcuit (leakage and creepage distances >10mm) - EN50205 type A - Double and reinforced insulation between the contacts - Contact mounting: SIS112 1NO / 1NC - Small external dimensions - Mean coil power 0.27 W - Holding coil power 0.08 W - For railway application (EN50155) on request Contact material AgCuNi+0.2-0.4μm Au Type of contact Single contact with notched crown Rated switching capacity 250VAC 6A AC1 1‘500VA Electr. life AC 1(360 cycles/h) >90‘000 Inrush...

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Circuit Diagram (view on relay upper side) - PCB Relay with forcibly guided contacts - Protective separation between control and load curcuit (leakage and creepage distances >8mm) - EN50205 type A - Double and reinforced insulation between the contacts - Contact mounting: SIS212 2NO / 1NC - Small external dimensions - Mean coil power 0.6 W - Holding coil power 0.18 W - For railway application (EN50155) on request Basic insulation at 250VAC Air and creepage distance >4mm Test voltage 2‘500V/50Hz/1min Double or reinforced insulation at 250VAC - Air and creepage distance >5.5mm - Test voltage 4‘000V/50Hz/1min...

Open the catalog to page 7

Circuit Diagram (view on relay upper side) - PCB Relay with forcibly guided contacts - Protective separation between control and load curcuit (leakage and creepage distances >8mm) - EN50205 type A - Double and reinforced insulation between the contacts - Contact mounting: SIS212 2NO / 1NC - Small external dimensions - Mean coil power 0.4 W - Holding coil power 0.14 W - For railway application (EN50155) on request Basic insulation at 250VAC Air and creepage distance >4mm Test voltage 2‘500V/50Hz/1min Double or reinforced insulation at 250VAC - Air and creepage distance 5.5mm - Test voltage 4‘000V/50Hz/1min...

Open the catalog to page 8

Circuit Diagram (view on relay upper side) - PCB Relay with forcibly guided contacts - Protective separation between control and load curcuit (leakage and creepage distances >8mm) - EN50205 type A - Double and reinforced insulation between the contacts - Contact Mounting: SIS312 3NO / 1NC SIS222 2NO / 2NC - Small external dimensions - Mean coil power 0.5 W - Holding coil power 0.15 W - For railway application (EN50155) on request Insulation Data Basic insulation at 250VAC Air and creepage distance >4mm Test voltage 2‘500V/50Hz/1min Double or reinforced insulation at 250VAC - Air and creepage...

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Circuit Diagram (view on relay upper side) - PCB Relay with forcibly guided contacts - Protective separation between control and load curcuit (leakage and creepage distances >8mm) - EN50205 type A - Double and reinforced insulation between the contacts - Contact mounting: SIS422 4NO / 2NC - Small external dimensions - Mean coil power 0.66 W - Holding coil power 0.20 W - For railway application (EN50155) on request Insulation Data Contact Data Contact material AgCuNi+0.2μm Au Type of contact Single contact with notched crown Rated switching capacity 250VAC 6A AC1 1‘500VA Electr. life AC 1(360...

Open the catalog to page 10

Circuit Diagram (view on relay upper side) - PCB Relay with forcibly guided contacts - Protective separation between coil and contacts (>5.5mm) and contacts side by side (>5.5mm) - EN50205 type A - Double and reinforced insulation - SMD arrangement below relay possible - Contact Mounting: SIF312 3NO / 1NC - Compact height: only 10.9mm - Mean coil power 0.70 W - Holding coil power 0.21 W - For railway application (EN50155) on request ** Open breathing hole Contact Data Contact material AgCuNi+0.2μm Au Type of contact Single contact with notched crown Rated switching capacity 250VAC 8A AC1 2‘000VA...

Open the catalog to page 11

Circuit Diagram (view on relay upper side) - PCB Relay with forcibly guided contacts - Protective separation between coil and contacts (>5.5mm) and contacts side by side (>5.5mm) - EN50205 type A - Double and reinforced insulation - SMD arrangement below relay possible - Contact mounting: SIF422 4NO / 2NC - Compact height: only 10.9mm - Mean coil power 0.66 W - Holding coil power 0.20 W - For railway application (EN50155) on request ** Open breathing hole Contact Data Contact material AgCuNi+0.2μm Au Type of contact Single contact with notched crown Rated switching capacity 250VAC 8A AC1 2‘000VA...

Open the catalog to page 12

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