Elmex Industrial Automation Control Products

Elmex Industrial Automation Control Products

Introduction

In the field of industrial automation control, components such as timers, protective relays, and transmitters are key to achieving precise control and safe system operation. Since its establishment in 1963, Elmex has been committed to providing highly reliable, compact, and easy to install control products. This article is based on the Elmex IFM product catalog, systematically summarizing the technical characteristics, application scenarios, and specification parameters of its core products, providing professional references for engineers, system integrators, and OEM manufacturers.

Star Triangle Timer Series

Star delta starting is a common way of starting electric motors, especially suitable for high-power motors. Elmex offers multiple star delta timers, all designed with a 17.5mm ultra-thin DIN rail installation to save control cabinet space.

1. SD-A-R1-P13 Star Triangle Timer

This model is suitable for star delta starters and has the following characteristics:

Output configuration: Star mode 1 NO, Triangle mode 1 NO

Time setting: Triangle mode delay time T1 is 1.5 to 150 seconds

Pause time: Fixed 60 milliseconds

LED indicator: There is a red LED indicator light for both star mode and triangle mode

Protective design: The front cover can be sealed to prevent accidental operation; Support measuring parameters with multimeter probes

Power specifications: Supports 240V AC or 24V AC/DC, frequency 50/60Hz, power consumption ≤ 8VA

2. SD-D-R2-P24 Star Triangle Timer

This model is similar to the previous one, but with an output of 1 C/O (conversion contact), providing a more flexible wiring method.

Time setting: T1 can be selected from 3-30 seconds or 6-60 seconds

Pause time: 50 milliseconds or 100 milliseconds optional

Application tip: External short circuiting of 15-25 terminals can achieve common pole connection

3. SD-A-R1-P35 Star Triangle Timer

On the basis of retaining the first two functions, this model has added a wider range of pause time adjustment:

Pause time: 50 to 500 milliseconds, adjustable in increments of 50 milliseconds

Applicable scenarios: Suitable for motor control scenarios with precise control requirements for start-up transition time

On Delay Timer

Elmex offers multiple power on delay timers, suitable for control scenarios that require delayed startup, such as sequential startup of fans, pumps, conveyors, and other equipment.

1. OD-A-R3 power on delay timer

Time range: 10 options available, covering 0.1 seconds to 3 hours

Output: SPDT (1 C/O), contact capacity 5A @ 240V AC/28V DC

Indicator lights: Green LED indicates power supply, red LED indicates relay status

Adjustment method: The front panel knob sets the time range and time value

2. OD-A-R4 type power on delay timer

Time range: 6 levels, including 0.3-3 seconds, 3-30 seconds, 0.3-3 minutes, 3-30 minutes, 0.3-3 hours, and 3-30 hours

Applicable scenarios: Suitable for applications with narrow time range requirements but high accuracy requirements

Multi functional timer series

Elmex multifunctional timer integrates multiple delay modes to meet complex control logic requirements.

1. ODI-A-R4 type power on/interval timer

Mode selection: switchable between power on delay and interval modes

Time range: 6 levels, same as OD-A-R4

Output: SPDT (1 C/O), contact capacity 5A

2. OFF-A-R3 power-off delay timer

Time range: 10 levels, 0.1 seconds to 3 hours

Application scenario: Suitable for wind turbine shutdown delay, lighting delay shutdown, etc

3. M05-D-R3 Type 5-Function Timer

Number of functions: 5 selectable modes

Output: DPDT (2 C/O), contact capacity 5A

Time range: 10 levels, 0.1 seconds to 3 hours

Certification Mark: The product catalog displays relevant certification icons to ensure compliance with international standards

4. M10-A-R6 type 10 function timer

Function modes: including 10 modes: signal power on delay, cycle equal time ON/OFF, cycle equal time OFF/ON, signal power-off delay, signal OFF/ON, cumulative delay, pulse ON/OFF, leading edge pulse, trailing edge pulse, leading edge bistable, etc

Time range: 7 levels, 0.1 seconds to 100 hours

Output: SPDT (1 C/O)

5. M13-A-R3 type 13 function timer

Function modes: including 13 modes: power on delay, interval, cycle, etc. OFF priority, cycle, etc. ON priority, fixed 500ms pulse output, power-off delay disconnection, power on delay on/power-off delay disconnection, power-off interval, monostable, re triggered monostable, latch relay, delay with cumulative function, interval with cumulative function, etc

Time range: 10 levels, 0.1 seconds to 3 hours

Output: SPDT (1 C/O)

Protection relay

1. Phase sequence protection relay (EM3PSR)

This product is used in three-phase three wire systems to monitor phase sequence, phase imbalance, and phase loss faults.

Monitoring function: phase sequence, phase imbalance (≥ 35V), phase loss (line voltage<154V AC)

Output: SPDT (1 C/O), contact capacity 5A

Response time: Phase sequence and imbalance<200ms, phase loss<2 seconds

Working voltage: 154 to 500V AC (line voltage)

Automatic reset: automatically restored after troubleshooting

Indicator light: Green LED indicates relay status

2. Leakage monitoring unit (ELMU-U)

This unit is used in conjunction with Elmex zero sequence current transformers to monitor ground fault currents.

Power supply: 90-275V AC/DC universal power supply

Monitoring method: True RMS detection

Sensitivity setting: User adjustable

Delay setting: 0 to 10 seconds, multiple options available

Indication method: LED bar chart displays leakage current levels (25%, 50%, 75% trip values)

Output: SPDT relay, NO contact capacity 10A @ 277V AC, NC contact capacity 5A @ 250V AC

Additional feature: Supports remote testing and reset button connection

Transmitter

1. Instrument current transmitter (ICT)

Used to convert the CT secondary current into a 4-20 mA DC signal for easy acquisition by PLC or SCADA systems.

Input current: 0-5 A

Output signal: 4-20 mA DC

Power supply: 24V AC

Isolation feature: achieving electrical isolation between input and output

Accuracy: Set accuracy ± 2.5%

Indicator light: Green LED indicates power/operating status

2. Voltage transmitter (VT)

Although detailed parameters are not provided in the catalog, its function is similar to that of a current transmitter, used to convert voltage signals into standard analog outputs, and widely used in power monitoring and energy management systems.

General characteristics and technical specifications of the product

Elmex's full range of control products have a high degree of consistency in design, mainly reflected in the following aspects:

1. Mechanical structure

Installation method: TS 35 DIN rail installation

Shell material: Polycarbonate, flame retardant rating meets UL 94 V-0

Dimensions: 85 x 70.05 x 17.5 mm (height x depth x width)

Weight: ranging from 62 to 70 grams

2. Electrical and Environmental Specifications

Working temperature: -10 to 55 ° C

Storage temperature: -20 to 70 ° C

Humidity: ≤ 95% RH, no condensation

Protection level: shell IP40, terminal IP20

3. Power supply and accuracy

Power supply voltage: 240V AC or 24V AC/DC (supported by some models)

Frequency: 50/60 Hz

Power consumption: ≤ 8VA (timer) or ≤ 20VA (protective relay)

Setting accuracy: ± 5% of full scale

Application scenarios and selection suggestions

Elmex products are widely used in the following industrial fields:

Motor Control Center: Star Triangle Timer Used for High Power Motor Startup

Automated production line: power on/off delay timer for sequential control

Distribution system: phase sequence protection relays and leakage monitoring units ensure system safety

Data acquisition system: Current/voltage transmitters provide standardized signals for PLC/SCADA

When selecting, it is recommended to consider the following factors comprehensively:

Functional requirements: Do you need functions such as delay, loop, pulse, and protection

Time range: Select the appropriate time slot according to the process requirements

Output type: NO, NC or C/O, whether the contact capacity meets the load requirements

Power supply mode: whether it matches the on-site power supply

Installation space: 17.5mm ultra-thin design suitable for compact control cabinets