Time Delay Relays

Socket Mounted

Marsh Bellofram socket mounted relay outputs offer the same high-reliability performance as DIN-rail mounted versions, with the convenience of quick and easy socket mounting into a variety of installation environments.

TDB/TUB Series Interval Relay Output

TDB/TUB SeriesThe TDB/TUB series from the ATC Diversified Electronics division of Marsh Bellofram is a family of rugged, high-reliability interval relay outputs, designed to equip industrial machinery, conveyor belts, exhaust fans, heating systems, lubricators, and pump and motor controls with timed sequence delay, soft-start delay or auto-start functions for added machinery and equipment protection.

TDC/TUC Series On-Delay Relay Output

TDC/TUC SeriewThe TDC/TUC series from the ATC Diversified Electronics division of Marsh Bellofram is a family of rugged, high-reliability ON-delay relay outputs, designed to equip industrial machinery, conveyor belts, exhaust fans, heating systems, lubricators, and pump and motor controls with timed sequence delay, soft-start delay or auto-start functions for added machinery and equipment protection.

TDD/TUD Series OFF-Delay Relay Output

TDD/TUDThe TDD/TUD series from the ATC Diversified Electronics division of Marsh Bellofram is a family of rugged, high-reliability OFF-delay relay outputs, designed to equip industrial machinery, conveyor belts, exhaust fans, heating systems, lubricators, and pump and motor controls with timed sequence delay, soft-start delay or auto-start functions for added machinery and equipment protection.

TDE/TUE Series Single-Shot Relay Output

TDE/TUE SeriesThe TDE/TUE series from the ATC Diversified Electronics division of Marsh Bellofram is a family of rugged, high-reliability single-shot relay outputs, designed to equip industrial machinery, conveyor belts, exhaust fans, heating systems, lubricators, and pump and motor controls with timed sequence delay, soft-start delay or auto-start functions for added machinery and equipment protection.

TDF Repeat Cycle-OFF Time First Relay Output

TDFThe TDF series is from the ATC Diversified Electronics division of Marsh Bellofram. Application of voltage to the input of the timer initiates the OFF time. Upon completion of the OFF time, the relay energizes and the ON time begins. Upon completion of the ON time, the relay de-energizes and one cycle is completed. This OFF/ON cycling continues until voltage is removed from the input. The OFF/ON time periods are independently adjustable.TDF Series Repeat Cycle-OFF Time First Relay Output

TDG Repeat Cycle-ON Timer First Relay Output

TDGThe TDG series is from the ATC Diversified Electronics division of Marsh Bellofram. Application of voltage to the input of the timer energizes the relay and initiates the ON time. Upon completion of the ON time, the relay de-energizes and the OFF time begins. Upon completion of the OFF time, the relay energizes and one cycle is completed. This ON/OFF cycling continues until voltage is removed from the input. The ON/OFF time periods are independently adjustable.TDG Series Repeat Cycle-ON Tim er First Relay Output

TDH Delayed Interval Relay Output

TDHThe TDH series is from the ATC Diversified Electronics division of Marsh Bellofram. Application of voltage to the input of the timer initiates the OFF time. Upon completion of the OFF time, the relay energizes and the ON time begins. Upon completion of the ON time, the relay de-energizes and the cycle is complete. Reset during or after the time periods is accomplished by removal of the input voltage. The OFF/ON time periods are independently adjustable.TDH Series Delayed Interval Relay Output

TDI Delay Single Shot Relay Output

TDIThe TDI series is from the ATC Diversified Electronics division of Marsh Bellofram. Voltage is continuously applied to the input. An external isolated switch controls the timer. When closed (momentary or maintained), the OFF time begins. Upon completion of the OFF time, the relay energizes and the ON time begins. Upon completion of the ON time, the relay de-energizes and the cycle is complete. Reset is accomplished by reclosing the control switch after the timing cycle has completed. The OFF/ON time periods are independently adjustable.TDI Series Delayed Single Shot Relay Output

TDJ Series On-Delay/OFF-Delay Relay Output

TDJThe TDJ series is from the ATC Diversified Electronics division of Marsh Bellofram. Voltage is continuously applied to the input. An external isolated switch controls the timer. When closed, the ON delay (T1) begins. Upon completion, the relay energizes. When the switch opens, the OFF delay (T2) begins. Upon completion, the relay de-energizes and the cycle is complete. Reset is accomplished by reclosing the control switch after the timing cycle has completed. If the switch opens during the ON delay mode, the relay will remain de-energized and (T1) will reset. If the switch is reclosed during the OFF delay mode, the relay will remain energized and (T2) will reset. Both delay periods are independently adjustable.TDJ Series On-Delay/OFF-Delay Relay Output .

TDM Energy Conservation Timer Relay Output

TDMThe TDM series is from the ATC Diversified Electronics division of Marsh Bellofram. When voltage is applied to the input, the internal relay picks up and the time delay begins regardless of the position of the control switch. With the switch in the open position, when voltage is applied, the timer will complete its time delay period and the internal relay will drop out if the switch is not closed before the completion of the time delay period. With the switch in the closed position, when voltage is applied, the timer will complete its time delay period and the internal relay will drop out if the switch is not opened and reclosed before the completion of the time delay period. After voltage has been applied, closing of the control switch initiates the time delay period. Reset is accomplished by interrupting the supply voltage or re-closing the control switch.TDM Series Energy Conservation Timer Relay Output

TDP Percentage Timer Relay Output

TDPWhen voltage is applied to the input, the internal relay energizes and the ON time (T1) begins. Upon completion of the ON time, the relay de-energizes and the OFF time (T2) begins. At the completion of the OFF time, one ON/OFF cycle is completed. This cycling action continues until voltage is removed from the input. The ON/OFF ratio is adjustable from 0 to 100 percent of time base. 0% is OFF; 100% is ON. Reset is accomplished by interrupting the input voltage.TDP Percentage Timer Relay Output

TDT Series True OFF-Delay Relay Output

TDTWhen voltage is applied to the input, the relay energizes. When voltage is removed, the OFF delay begins. Upon completion of the delay period, the relay de-energizes. Reset is accomplished by reapplying voltage to the input terminals. NOTE: If voltage is reapplied during the delay period, the relay remains picked up and the timer resets to zero. Voltage must be applied for a minimum of 0.5 seconds to assure proper operation. TDT Series True OFF-Delay Relay Output

TDU Series Program Multi-Mode Relay Output

The TDU Series is one of the most versatile single timers available today. One model replaces forty-eight industry standard devices; 4 wide delay ranges x 6 most common modes of operation x 2 supply voltages—since they will operate on both AC and DC. The CMOS digital circuitry provides high accuracy, repeatability and fast reset times. The heavy duty relays are rated for continuous operation at 10 amps. All programming is easily accomplished externally by using one or more jumpers between designated base pins—no trap doors to open, no switches to set, no disassembly required.TDU Series Programmable Multi-Mode Relay OuTput