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Minilec Motor and Pump Protection Relays S2 CTS1

Minilec Motor and Pump Protection Relays S2 CTS1 Specification

Contact Form
SPDT

Ambient Temperature
-10C to +55C

Dielectiric Strength
2kV AC for 1 min

Power Consumption
< 3VA

Coil Power
Low Power Consumption

Protect Feature
Phase Failure, Phase Sequence, Under/Over Voltage, Single Phasing

Working Temperature
-10C to +55C

Contact Material
Silver Alloy

Mechanical Life
>10 Million Operations

Coil Voltage
230V AC

Contact Resistance
<50 m

Product Type
Protection Relay

Insulation Resistance
>100 M at 500V DC

Theory
Electromagnetic Relay

Usage
Motor and Pump Protection

Contact Load
5A @ 250V AC

Operate Time
1.5 Seconds Typical

Terminal Type
Screw Terminal

Rated Voltage
230V AC

Supply Terminal
L - N

Size
Compact

Color
Grey

Dimension (L*W*H)
90mm x 36mm x 65mm

Weight
Approx. 150g

Mounting Type
DIN Rail Mounting

Usage Category
Industrial, Commercial, Agricultural

Indication
LED Indications for Relay Status

Response Time
Quick Acting

Output Relay Contacts
1 C/O (SPDT)

Frequency
50Hz

Adjustment
User Adjustable Trip Settings

About Minilec Motor and Pump Protection Relays S2 CTS1

Minilec Motor and Pump Protection Relays

OVERVIEW :-

Current sensor suitable for full load motor current of 5A. 10A. 20A. 40A. and 80A.to be used with Minilec relays only.

TECHNICAL SPECIFICATION:-

Supply Voltage

System	:	N.A.
Auxillary	:	N.A.

Output Relay Contact		:	3-wire Output

Input		:	-

Trip Setting
	Phase to phase unbalance	:	N.A.
	Under current (Dry running)	:	N.A.
	Overload	:	N.A.
	UV/OV	:	N.A.

Trip Time Delay

	On phase failure	:	N.A.
	For overloading	:	N.A.
	UV/OV RP	:	N.A.

Resetting		:	-

Approx Weight		:	140 gms

Dimensions (mm)

Overall (L x W x D)	:	90 x 35 x 60
Mounting (L x W)	:	35 mm Rail Mounting

Note:

Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)

Times full Load Current

Relay contact position shown in 'Power off' condition

Comprehensive Motor and Pump Protection

Minilecs S2 CTS1 relay delivers full-spectrum protection for motors and pumps by detecting phase failures, incorrect phase sequence, under/over voltage, and single phasing. This ensures reduced downtime and avoids costly damage in various environments including industrial plants, commercial sites, and agricultural setups.

User-Friendly Design and Fast Response

Designed for convenience, the relay features DIN rail mounting, screw terminals, and user-adjustable trip settings for flexible installation. Its quick-acting nature enables it to respond within 1.5 seconds, making it ideal for fast-paced operations where immediate protection is critical.

Reliable Indication and Long Life

LED indicators offer clear visibility of the relays operating status, so users can monitor protection at a glance. The device guarantees long-term reliability with over 10 million mechanical operations and high insulation resistance, helping maintain system integrity under challenging conditions.

FAQs of Minilec Motor and Pump Protection Relays S2 CTS1:

Q: How does the S2 CTS1 protection relay enhance motor and pump safety?

A: The relay detects and responds to critical electrical issues like phase failures, incorrect phase sequence, under/over voltage, and single phasing, shutting down equipment swiftly to prevent damage, thus safeguarding motors and pumps in industrial, commercial, and agricultural usage.

Q: What are the benefits of quick-acting response and LED indications in this relay?

A: A response time of 1.5 seconds ensures immediate protection during electrical faults, while the LED indications provide clear, real-time status updates, helping operators promptly identify and resolve issues to minimize downtime.

Q: When should I adjust the trip settings, and how is it done?

A: Trip settings should be adjusted whenever there is a change in operating conditions or motor specifications. The user-adjustable settings are accessible directly on the relay, allowing for precise customization to match specific requirements.

Q: Where can the S2 CTS1 relay be installed, and what mounting method is used?

A: It is ideal for industrial, commercial, and agricultural locations. The relay is designed for quick and secure DIN rail mounting, making it easy to integrate into existing control panels or enclosure systems.

Q: What is the process for connecting the relay to the supply and load, and what terminal type is used?

A: Connection is straightforward using the screw terminals provided. The relay is supplied through L-N terminals, and output is managed via one SPDT contact, supporting a load up to 5A at 250V AC.

Q: What are the key advantages of using this relay in demanding environments?

A: With compact design, robust silver alloy contacts, high insulation resistance, and reliable operation across a wide temperature range, the relay ensures consistent protection and longevity even in challenging settings.

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