Finder 83 Series Modular Single-Function Timers

An overview of the Finder 83.11, 83.21, and 83.41 modular single-function timers, detailing their specifications and operational capabilities.

Product Models

The Finder 83 series includes the following modular single-function timers:

83.11
83.21
83.41

These timers are designed for relaying innovation and are suitable for various industrial applications.

Technical Specifications

Model	83.11.0.240.0000 83.21.0.240.0000 83.41.0.240.0000
Supply Voltage	(24...240)V AC (50/60 Hz) / DC
Min. Operating Voltage	16.8 V AC/DC
Max. Operating Voltage	265 V AC/DC
Power Consumption	P(AC/DC) < 1.5 VA / < 2 W
Output Contacts	1 CO (SPDT)
Rated Current	16 A (250 V AC)
AC1 Load	4000 VA
AC15 (230 V AC)	750 VA
Incandescent Load (230 V AC)	0.5 kW
DC1 Load	(24/110/220) V (16/0.3/0.12) A
Operating Temperature	(-20...+60)°C
Protection Class	IP20

LED Indicator

LED Status	Time Range (s)	15-16	15-18
No LED
LED On	0.05...1s	✔	15-16
	0.5...10s	15-18	15-16
	0.05...1min	✔	15-16
	0.5...10min	15-18	15-16
	0.05...1h	✔	15-16
	0.5...10h	15-18	15-16
	0.05...1d	✔	15-16
	0.5...10d	15-18	15-16

Diagrams and Functionality

1. Front View and Terminals

Illustrates the front panel layout and terminal connections for models 83.11, 83.21, and 83.41.

83.11 / 83.21 Terminals:

A1, A2: Power supply terminals
15, 16, 18: Output contacts

83.41 Terminals:

A1, A2: Power supply terminals
B1: Control signal input
15, 16, 18: Output contacts

Dimensions: 86.2 mm height, 100.3 mm length, 22.5 mm width.

2. Time Scale Selection

Shows the available time scales for programming the timer functions, ranging from seconds to days.

Example: To set a 10-minute time delay, program Selector A to '10m' and Adjuster B to 'Max'.

Available scales: 1s, 10s, 1m, 10m, 1h, 10h, 1d, 10d.

3. Connection Diagrams / Functions (83.11-83.21)

3a. Operation delayed by power supply (A1):

83.11: Operation delayed upon power application.
83.21: Operation delayed after a START signal.

Diagrams illustrate the internal connections and timing sequences.

4. Connection Diagrams / Functions (83.41)

Start via control contact (B1):

BE: Operation delayed after START signal.

4a. External Load Control: Allows control of an external load, such as another relay coil, connected to the start signal at terminal B1.

4b. DC Supply and External Start: When using DC supply, the external START (B1) should be connected to the positive pole, as per EN 60204-1.

4c. Different Supply Voltages: The external start (B1) can be connected with a voltage different from the main supply. Example: A1-A2 = 230V AC, B1-A2 = 24V DC.

Diagrams illustrate these connection scenarios.

Additional Data and Operating Conditions

Other Data

Minimum impulse duration: 50 ms (for 83.41)
Reset time: 200 ms
Mounting: 35 mm DIN rail (EN 60715)

Operating Conditions

The timers comply with the European EMC Directive 2014/30/EU, offering high immunity to radiated and conducted disturbances, exceeding the requirements of EN 61812-1.

However, sources like transformers, motors, contactors, switches, and certain power cables can affect or damage the device's operation. It is recommended to limit the length of connection cables and, if necessary, protect the timer with RC filters, varistors, or surge suppressors.

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