ABB - Electrification Signature Partner Distributor
ABB - Electrification 1SVR730100R0300 - The CT-ERS.21S is a single-function electronic time relay from the CT-S timer range. It provides an ON-delay (delay on make) function with 10 time ranges from 0.05 s to 300 h. This time relay operates with a rated control supply voltage of 24 - 240 V AC / DC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals.
ABB - Electrification

1SVR730100R0300


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Overview

The ABB CT-ERS.21S (SKU: 1SVR730100R0300) is a single-function ON-delay electronic time relay from ABB's CT-S timer range, designed for precise delayed switching in industrial control systems. This relay provides a single ON-delay (delay on make) function with 10 selectable time ranges spanning from 0.05 seconds to 300 hours, offering exceptional flexibility for diverse timing requirements. The device operates with a wide rated control supply voltage range of 24-240V AC/DC, ensuring compatibility with global power systems without requiring additional voltage conversion components. Key specifications include 2 changeover (c/o) output contacts rated at 250V/4A, providing reliable switching for control circuits. Connection is facilitated through screw terminal technology with double-chamber cage terminals, ensuring secure wire retention and minimizing connection failures. An optional sealable transparent cover accessory (not included) is available to prevent unauthorized adjustments, enhancing operational security in critical applications. This time relay is part of ABB's Electrification portfolio, a trusted line of control and automation components used in motor control, lighting systems, and process automation where delayed circuit activation is required. The CT-ERS.21S meets industrial standards for reliability and is suitable for applications requiring precise timing control in harsh environments. The device's compact design and versatile voltage compatibility make it an ideal solution for both new installations and retrofit projects where space and power system compatibility are considerations. Technical specifications: - Time ranges: 0.05s, 0.15s, 0.5s, 1.5s, 5s, 15s, 50s, 150s, 500s, 300h - Supply voltage: 24-240V AC/DC - Output contacts: 2 c/o (SPDT) rated 250V/4A - Connection type: Screw terminals with double-chamber cage technology - Operating temperature: -40°C to +60°C (extended range) - Mounting: DIN rail compatible - Accessories: Sealable transparent cover available separately
  • Single-function ON-delay (delay on make) electronic time relay
  • 10 selectable time ranges from 0.05 seconds to 300 hours
  • Wide supply voltage range: 24-240V AC/DC for global compatibility
  • 2 changeover (c/o) contacts rated 250V/4A for reliable switching
  • Screw terminal connection with double-chamber cage technology
  • Extended operating temperature range: -40°C to +60°C
  • Optional sealable transparent cover for protection against unauthorized changes
  • DIN rail mountable for easy installation in control panels

Specifications

Connection Type
Screw connection with double-chamber cage connection terminals
Current Rating
4 A
Poles
2 c/o (SPDT)
Series
CT-S
Special Features
The CT-ERS.21S is a single-function electronic time relay from the CT-S timer range. It provides an ON-delay (delay on make) function with 10 time ranges from 0.05 s to 300 h. This time relay operates with a rated control supply voltage of 24 - 240 V AC / DC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals.
Voltage Rating
24-240 V AC/DC
Package Dimensions (L x W x H)
1.18 IN x 3.82 IN x 4.29 IN
Package Dimensions (L x W x H)
2.9972 cm x 9.7028 cm x 10.8966 cm
Package Weight (Imperial)
0.350 L
Package Weight (Metric)
0.159 kg
RTXD Extractor Tool

6896057-1

RTXD Extractor Tool
Relay Accessories, Sockets & Clips, Printed Circuit Board, Phenolic, Printed Circuit Board, 6, Socket, Potter & Brumfield R10

1-1393143-3

Relay Accessories, Sockets & Clips, Printed Circuit Board, Phenolic, Printed Circuit Board, 6, Socket, Potter & Brumfield R10
Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10

1-1393143-6

Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

SCP102D24X-C02

IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

Frequently Asked Questions

What is the function of the CT ER5-6 time relay?

The CT ER5-6 is a single-function electronic time relay that provides an ON delay function.

What are the available time ranges for the CT ER5-6?

The time ranges for this relay are from 0.1 seconds to 10 hours.

What is the rated control supply voltage for the CT ER5-6?

The rated control supply voltage is 24-240V AC and 24-240V DC.

What type of output does the CT ER5-6 have?

It has 1 changeover SPDT output with contacts rated at 250V, 5A.

What is the operating ambient air temperature range for this relay?

The operating ambient air temperature range is from -20 degrees C to 60 degrees C.

What are the storage temperature limits for the CT ER5-6?

The storage temperature limits are from -40 degrees C to 70 degrees C.

What are the dimensions of the CT ER5-6?

The product dimensions are 22.5mm width, 85.5mm height, and 67mm depth.

What is the net weight of the CT ER5-6?

The product net weight is 0.05 kg.

What is the RoHS status of the CT ER5-6?

The RoHS status is Following EU Directive 2011/65/EU.

How does the CT ER5-6 connect?

The device offers screw connection technology with double-chamber cage connection terminals.

Frequently Asked Questions about ABB - Electrification

What industries and applications are Jokab Safety products used for?

Jokab Safety products are specifically designed for machine safety applications across multiple critical industrial sectors, including Food and Beverage, Packaging, and Material Handling industries. Their safety solutions cover a wide range of machine safeguarding needs, such as safety light guards, safety controllers, safety relays, safety edges, safety mats, and two-hand control devices that protect personnel and equipment in complex industrial automation environments.

What technical support does Jokab Safety offer?

Jokab Safety offers comprehensive technical support through multiple channels, including a dedicated technical support phone line at (888) 385-1221 (Option 1) and email support at [email protected]. For advanced technical assistance, customers can contact their specialized Jokab Tech Support at (519) 982-0976 or email [email protected]. Additionally, they provide product specialist support through Jeff Leslie, who can be reached at (519) 982-0976, offering in-depth application and technical guidance.

What are the main product lines offered by Jokab Safety?

Jokab Safety offers a comprehensive range of machine safety products including safety light guards (Orion), safety controllers (Pluto), safety relays (Sentry), safety edges, safety contact mats, safety locks (Gkey), and safety sensors with OSSD and DYNlink interfaces. Their product lines are specifically designed for industrial applications in food and beverage, packaging, and material handling industries, providing robust safety solutions for machine guarding and personnel protection.

What are the key features of Jokab Safety products?

Jokab Safety products offer comprehensive industrial safety solutions with key features including: highest safety certification levels (up to PL e/Cat 4), extensive fault detection, multiple safety device types (optical safety devices, pressure sensitive devices, sensors, switches, locks, emergency stops), and innovative DYNlink technology that reduces cable requirements and simplifies installation. Their products are certified, verified, and compatible with major industrial automation systems like B&R, featuring easy M12 connector connections and a wide range of adapters to streamline safety implementation.

What certifications and standards do ABB - Electrification products comply with?

ABB - Electrification products comply with a comprehensive range of international certifications and standards, including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products meet critical international standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, and marine classification standards from Bureau Veritas, DNV, and Lloyd's Register of Shipping.

What industries and applications are ABB - Electrification products used for?

ABB - Electrification products are engineered for critical applications across multiple industries, including Energy, Oil & Gas, Manufacturing, Power Generation, HVAC, Marine, Food & Beverage, Mining, Pulp & Paper, Water Treatment, and Automotive. Their solutions cover essential electrical infrastructure needs such as switchgear, power distribution systems, circuit protection, digital control technologies, and drive systems designed for high-reliability environments with a strong focus on sustainability, efficiency, and safety.

What technical support does ABB - Electrification offer?

ABB - Electrification offers comprehensive technical support through multiple channels, including a dedicated technical support hotline at 888-385-1221 (Option 1), available 7:00 a.m. - 5:00 p.m. CST, Monday-Friday. Their support services encompass 24/7/365 emergency services, on-site support, remote monitoring and diagnostics, installation and commissioning, equipment assessments, repair coordination, and multi-vendor technical assistance. Customers can also access resources like personnel safety training, disaster recovery support, and service agreements tailored to their specific electrification needs.

What are the main product lines offered by ABB - Electrification?

ABB - Electrification offers a comprehensive range of electrical distribution and protection products, including circuit monitoring systems, panelboards, switchgear, motor control centers, circuit breakers, softstarters, and power distribution solutions. Key product lines span low and medium voltage applications across utilities, commercial, industrial, healthcare, and manufacturing sectors, with specialized offerings like the ReliaGear® panelboards, SMISSLINE TP bus systems, and Ekip UP protection and metering relays.

What are the key features of ABB - Electrification products?

ABB - Electrification products feature advanced integrated design elements that enhance industrial performance and reliability. Key features include harmonics and EMC design, integrated DC choke, removable terminals for fast installation, USB ports for troubleshooting, and integrated Safe Torque Off (STO) functionality. The products deliver superior motor control capabilities, support both induction and permanent magnet motors, and offer robust operational features like side-by-side mounting without derating and operation at temperatures up to 45°C. Additionally, ABB's Electrification solutions emphasize digital innovation, with technologies like Novolink enabling predictive maintenance, enhanced analytics, and seamless system integration.

What communication protocols do ABB - Electrification products support?

ABB - Electrification products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, DeviceNet, and IEC 61850. These protocols enable flexible connectivity across multiple industrial automation platforms, with support for various network topologies and high-speed data transmission up to 100 Mbps.