Why Choose the Finder 83.02.0.240.0003 ATEX Multifunction Timer Relay?
The Finder 83.02.0.240.0003 is a specialist IECEx, ATEX and HazLoc multifunction timer relay designed for industrial automation and electrical control applications requiring equipment suitable for specified hazardous locations. Part of the Finder 83 Series, this electronic timer combines versatile timing functions, a wide-range AC/DC power supply and two changeover relay outputs in a compact DIN rail-mounted housing.
Featuring a 24–240 V AC/DC nominal supply, 2 changeover (DPDT) output contacts and adjustable timing from 0.05 seconds to 10 days, the Finder 83.02.0.240.0003 offers flexible switching control for industrial processes, machinery and automation systems.
Unlike the standard 83.02 timer, this .0003 variant is specifically designed for hazardous-location applications, with IECEx and ATEX classifications for Zone 2 gas atmospheres and HazLoc suitability for specified Class I, Division 2 installations. Its 22.5 mm wide modular housing, screw terminal connections and selectable timed or instantaneous output arrangement make it a practical solution for industrial control panels requiring certified equipment.
Key Advantages
- IECEx, ATEX and HazLoc hazardous-location design for appropriately classified industrial installations.
- ATEX Zone 2, Category 3G classification supports suitable gas-atmosphere applications.
- Class I, Division 2 HazLoc suitability for specified hazardous-location installations.
- Eight selectable timing functions provide versatile automation control.
- 24–240 V AC/DC universal supply supports different industrial control voltages.
- Two changeover contacts (DPDT) provide flexible switching arrangements.
- 0.05 seconds to 10 days adjustable timing range accommodates short delays and extended operating cycles.
- Eight selectable time scales simplify timing configuration.
- Two timed outputs or one timed and one instantaneous output provide additional control flexibility.
- External potentiometer adjustment option enables remote timing adjustment.
- LED status indication assists with commissioning and troubleshooting.
- 22.5 mm wide housing saves installation space.
- 35 mm DIN rail mounting supports straightforward panel installation.
- Screw terminal connections provide secure electrical wiring.
Key Features
- Finder 83 Series multifunction modular timer.
- Special hazardous-location variant: 83.02.0.240.0003.
- IECEx and ATEX Ex classification for specified Zone 2 applications.
- HazLoc Class I, Division 2 suitability.
- Eight selectable timing functions: AI, DI, GI, SW, BE, CE, DE and WD.
- 24–240 V AC/DC nominal supply voltage.
- 50/60 Hz AC operating frequency.
- 2 changeover (DPDT) relay contacts.
- 10 A at 277 V AC contact rating for the hazardous-location version.
- 5 A at 32 V DC contact rating.
- 0.05 seconds to 10 days adjustable timing.
- Eight selectable time scales.
- Two timed contacts or one timed and one instantaneous contact.
- External control input for applicable timing functions.
- Optional external timing potentiometer.
- LED operating status indicator.
- Front-mounted timing and function selectors.
- 35 mm DIN rail mounting.
- Screw terminal electrical connections.
- IP20 protection rating.
Technical Specifications
- Manufacturer: Finder
- Series: 83 Series
- Model: 83.02.0.240.0003
- Product type: Hazardous-location multifunction timer relay
- Timer technology: Electronic multifunction timer with electromechanical relay outputs
- Hazardous-location classifications: IECEx, ATEX and HazLoc
- ATEX marking: II 3 G Ex ec nC IIC T4 Gc
- IECEx marking: Ex ec nC IIC T4 Gc
- HazLoc classification: Class I, Division 2, Groups A, B, C and D, T4
- HazLoc Zone classification: Class I, Zone 2
- Number of timing functions: 8
- Timing functions: AI, DI, GI, SW, BE, CE, DE and WD
- Minimum timing setting: 0.05 s
- Maximum timing setting: 10 days
- Number of time scales: 8
- Nominal supply voltage: 24–240 V AC/DC
- Minimum operating supply voltage: 16.8 V AC/DC
- Maximum operating supply voltage: 265 V AC/DC
- AC supply frequency: 50/60 Hz
- Power consumption: ≤2 VA AC / ≤2 W DC
- Output contact configuration: 2 CO (DPDT)
- Number of output contacts: 2 changeover
- Selectable output arrangement: 2 timed contacts or 1 timed + 1 instantaneous contact
- Contact rating at 277 V AC: 10 A
- Contact rating at 32 V DC: 5 A
- Operating temperature: −20 to +55 °C
- Protection rating: IP20
- Mounting type: 35 mm DIN rail
- DIN rail standard: EN 60715
- Terminal type: Screw terminals
- Timing adjustment: Front-mounted rotary selectors and adjustment control
- External timing adjustment: Optional potentiometer
- Timing initiation: Supply voltage or external control signal
- Status indication: LED
- Housing width: 22.5 mm
- Supply terminals: A1 / A2
- Control input: B1
- Country of origin: Italy
Eight Selectable Timing Functions
The Finder 83.02.0.240.0003 provides eight timing functions for different industrial switching and process-control requirements:
- AI – On-delay: Activates the timed output after the selected delay following application of the supply voltage.
- DI – Interval: Activates the output when the supply is applied and releases it after the selected interval.
- GI – Delayed pulse: Produces a timed pulse following an initial delay.
- SW – Symmetrical flasher: Alternates the output between ON and OFF states, beginning with the ON interval.
- BE – Off-delay with control signal: Delays output release after removal of the external control signal.
- CE – On- and off-delay with control signal: Provides delayed output operation when the external control signal is applied and removed.
- DE – Interval with control signal: Starts a timed output interval using the external control input.
- WD – Watchdog: Provides a retriggerable timing interval initiated through the external control input.
The operating function and output configuration should be selected before energising the timer, following Finder's installation instructions.
Multifunction Timing for Hazardous-Location Control Systems
Electrical control systems installed in potentially explosive atmospheres require equipment selected for the applicable hazardous-area classification, environmental conditions and installation method. The Finder 83.02.0.240.0003 is a specialised timer relay designed for use in specified IECEx, ATEX and North American HazLoc applications.
Its ATEX II 3 G Ex ec nC IIC T4 Gc and IECEx Ex ec nC IIC T4 Gc markings identify suitability for specified Zone 2 gas-atmosphere installations. Its North American hazardous-location classification additionally supports appropriately designed Class I, Division 2 applications.
The relay combines these hazardous-location characteristics with a versatile 24–240 V AC/DC supply, allowing it to be used across a range of industrial control voltage systems. Its two changeover outputs can be configured as two timed contacts or one timed and one instantaneous contact.
The eight timing functions support delayed starting, timed intervals, flashing, pulse generation and watchdog control. Front-mounted adjustment controls simplify configuration, while the optional external potentiometer provides an additional timing adjustment method where permitted by the installation design.
Important: Hazardous-location approval does not mean the timer is suitable for every explosive atmosphere. Installation must comply with the specific certificate conditions, equipment markings, permitted ambient temperatures, wiring requirements and applicable hazardous-area regulations. The device must not be assumed suitable for Zone 0 or Zone 1 applications.
Typical Applications
- Zone 2 industrial automation control panels.
- Class I, Division 2 hazardous-location electrical installations.
- Chemical processing plant auxiliary control systems.
- Oil and gas equipment control interfaces in appropriately classified areas.
- Industrial pump and motor timing circuits.
- Process automation and sequential switching systems.
- Timed ventilation and auxiliary equipment control.
- Industrial machinery requiring delayed switching.
- Pulse generation and intermittent control applications.
- Watchdog and retriggerable timing circuits.
- OEM equipment requiring specified hazardous-location approvals.
- Electrical panel upgrades where an IECEx, ATEX or HazLoc timer is specified.
