Littelfuse Multifunction TRDU Series Time Delay Relay
from Littelfuse and Anderson-Bolds
For a Quote, Please use our Timer Form HERE!
SSAC timers re now part of Littelfuse
The Littelfuse (formerly SSAC) TRDU Series is a versatile universal time delay relay with 21 selectable single and dual functions. The dual functions replace up to three timers required to accomplish the same function. Both the function and the timing range are selectable with switches located on the face of the unit. Two LED’s indicate input voltage and output status. This device offers full 10A isolated relay output contacts in either SPDT or DPDT. The TRDU replaces hundreds of part numbers, thereby, reducing your stock inventory requirements.
The Littelfuse TRDU has 21 Functions: Five switches are provided to set one of
10 single or 11 dual modes of operation. See datasheet for a complete
list of singe and dual functions. (9 Functions on the DPDT Octal (8 pin) model numbers)
Features & Benefits:
Multifunction: 21 timing functionsReplace hundreds of parts and reduce stocking requirements
Microcontroller based: Repeat Accuracy + / - 0.1%
User selectable time delay: Timing settings are switch selectable 0.1s - 1,705h in eight ranges for added flexibility
Isolated 10A, SPDT or DPDT output contacts: Allows control of loads for AC or DC voltages
LED indicators: Provides visual indication of input voltage and relay status
SSAC Littelfuse TRDU Multifunction Time Delay Relay
Specifications:
Time Delay
Type: Microcontroller
Range: Switch Selectable** Single Functions: 0.1s - 1,705h in 8 ranges Dual Functions: 0.1s - 3,100m each in 8 ranges
Adjustments: Multiplier: 3 position DIP switches select0.1, 1, 10, or 100 in s or m
Setting Accuracy: ±1% or 50ms, whichever is greater
Repeat Accuracy: ±0.1% or 20ms, whichever is greater
Timing Functions: Five switches are provided to set one of twenty-one single or dual functions
Reset Time: ≤ 50ms
Initiate Time 120VAC: 75ms
Time Delay vs Temp. & Voltage : ±1%
Indication: Two LEDs indicate 1)Input voltage applied 2) Output relay status
Input
Voltage: 12VDC, 24VAC/DC, 120VAC, or 230VAC
Tolerance: 12VDC & 24VAC/DC -15% - 20%120 & 230VAC -20% - 10%
AC Line Frequency: 50/60Hz
Power Consumption: 24 to 230V ≤ 3W; 12VDC ≤ 2W
Output
Type: Electromechanical relay
Form: SPDT or DPDT
Rating: 10A resistive @ 120/240VAC & 28 VDC;1/3 hp @ 120/240VAC
Life: Mechanical – 1 x 107; Electrical – 1 x 106
Mechanical
Mounting: Plug-in socket
Dimensions: H 76.7 mm (3.1”); W 60.7 mm (2.39”); D 45.2 mm (1.78”)
Termination: Octal 8-pin plug-in or magnal 11-pin plug-in
Environmental
Operating/Storage Temperature: -20° to 65°C / -40° to 85°C
Weight: ≅ 5.8 oz (164 g)
**For CE approved applications, power must be removed from the unit when a switch position is changed
Littelfuse (SSAC) Part Numbers
Littelfuse TRDU120A2 120/60 8-Pin, SPDT
Accessories:
NDS-8 Octal 8-pin Socket: 8-pin 35mm DIN rail or surface mount. Surface mounted with two #6 screws or snaps onto a 35 mm DIN rail. Uses PSC8 hold-down clips.
NDS-11 11-pin Socket: 11-pin 35mm DIN rail or surface mount. Surface mounted with two #6 screws or snaps onto a 35 mm DIN rail. Uses PSC11 hold-down clips.
PSC8 or PSC11 Hold-down Clips: Securely mounts plug-in controls in any position. Provides protection against vibration. Use PSC8 with NDS-8 Octal Socket or PSC11 with NDS-11 Socket. Sold in sets of two.
BZ1 Front Panel Mount Kit: Provides an easy method of through-the-panel mounting of 8- or 11-pin plug-in timers, flashers, and other controls.
C103PM (AL) DIN Rail: 35 mm aluminum DIN rail available in a 36 in. (91.4 cm) length.
For a Quote, Please use our Timer Form HERE!
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