Timing Control Made Easy
7954 and 7957 Multi-function time relays
Versatile and easy to program
Programmable DIN Rail Time Relay
Screw terminals
for up to 14AWG wire
Digital accuracy, easy
to read display
UL, cUL and CE, rated
MU LTI PLE
timing ranges
up to 18
selectable
timing functions
Snap in DIN rail
mounting
Form C SPDT
8 AMP relay
Output status
indicator
Only
17mm
wide
Trumeter’s new range of digital time relays offer 8 or 18 operating modes, easily configured on the 3 digit LCD display:
a wide range of 0.1s - 999Hr to suit all applications; a clear indication of the relay status via the front panel LED;
can accept a wide range of operating voltages for most installations. The keylock feature means settings cannot be
tampered with, for 100% reliable operation.
Key Features
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Features
• Compact 17.5mm wide DIN rail mountable
• 3 digit LCD for easy programming and run time
indication
• Tamper proof with key lock feature
• Wide timing range: 0.1s - 999Hr
• Multi-function: 8 (7954) or 18 (7957) selectable
operating modes
• Universal Voltage: 24 - 240VAC/VDC
• Option to select up/down timing
• CE, UL & cUL approved
• 8 AMP Form C (SPDT) Relay outputs
Programmable:
• Preset Time: The Timer Duration selected by the user
• Run Time: In Down counting mode it indicates the
time remaining, while in Up counting mode indicates
the elapsed time.
• Default Mode: Down counting
• Up/Down blinks during the Timer Duration (T)
Operating modes
7957
• ON Delay
• Repeat Cycle OFF/ON
• Repeat Cycle ON/OFF
• Impulse on Power Up
• Accumulative Delay on
Signal
• Accumulative Delay on
Inverted Signal
7954
• ON Delay
• Repeat Cycle OFF/ON
• Repeat Cycle ON/OFF
• Signal ON/OFF
• Signal OFF Delay
• Interval
• Signal OFF/ON
• One Shot Output
• Accumulative Impulse on
Signal
• Signal ON Delay
• Inverted Signal ON Delay
• Signal OFF Delay
• Impulse ON/OFF
• Signal OFF/ON
• Leading Edge Impulse 1
• Leading Edge Impulse 2
• Trailing Edge Impulse 1
• Trailing Edge Impulse 2
• Delayed Impulse
• Inverted Signal ON Delay
(Ty p e 2)
Easy To Program & Install
76mm (3”)
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V042-42
CD/CA
LANOITPO
Am1>DAOL
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51
81
61
CAV042,A8
CDV42
Specifications:
• Input voltage range
• Relay Capability
• Temp range
• Time ranges
Part Numbers
7954 8 Functions
7957 18 Functions
45 mm (1. 7” )
67mm (2.6”)
100mm (3.9”)
17. 5mm
(0.68”)
89mm (3.5”)
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