General Purpose Electronic Timers and Counters

Catalogs > Industrial Controls Catalog > Relays, Timers, and Temperature Controllers > General Purpose Electronic Timers and Counters > Bulletin 700-HT Timing Relay

Bulletin 700-HT Timing Relay

Introduction Standards Compliance and Certifications Product Selection Accessories Specifications Approximate Dimensions
Build a Catalog Number


Single Range Timing Relay with Pin Style Terminations

Click to enlarge - 700-HT Operating Mode Wiring Diagrams
U.S./Canada International
On-Delay Click to enlarge - 700HT-156-4 Click to enlarge - 700HT-156-5
Socket 700-HN125 or
700-HN100
700-HN100
Off-Delay Click to enlarge - 700HT-156-6 Click to enlarge - 700HT-156-7
Bulletin 700-HT
DPDT 2-Pole — 2 Form C Contacts
Off-Delay
Socket 700-HN126 or
700-HN101
700-HN101
  

700 HT    2    2    A    A2
      a    b    c    d    e

a
Timer Type
Code Description
HT Tube Base Adjustable Timing Relay

b
Mode Type
Code Mode
1 On-Delay
2 Off-Delay

c
Number of Poles
Code Description
2 2PDT

d
Timing Range
Code Adjustable Time — Type HT
A 0.1…10 s
B 1.0…100 s
C 0.1…10 min
D 1.0…100 min
E 0.1…10 hr

e
Coil Voltage
Code Volts
U12 12V DC
U24 24V AC/DC, 50/60 Hz
U120 120V AC/DC, 50/60 Hz
A2 240V AC, 50/60 Hz

Fixed Timing Relays

Click to enlarge - 700-HTF Description
Bulletin 700-HTF Fixed Timing Relays feature a plug-in tube base. Construction is the same as the Bulletin 700-HT relay except that the adjustment knob has been removed to help prevent unwanted tampering. The timing and output specifications are identical to those of the Bulletin 700-HT relay. Setting time will be ±5% of the time ordered.
Socket: Cat. No. 700-HN100 or 700-HN125 (On-Delay)
Cat. No. 700-HN101 or 700-HN126 (Off-Delay)
Bulletin 700-HTF
DPDT 2 Pole — 2 Form C Contacts
  

700 HTF    2    2    025    S    A2
      a    b    c    d    e    f

a
Timer Type
Code Description
HTF Tube Base Fixed Timing Relay

b
Mode Type
Code Mode
1 On-Delay
2 Off-Delay

c
Number of Poles
Code Description
2 2PDT

d
Timing Value ⋆ 
Code Value
001…999 The three digit code represents a numeric value with one decimal place.
For example: code 001 is 0.1, code 025 is 2.5, and code 999 is 99.9
The acceptable range for each time unit is listed below:
Seconds - 001…999
Minutes - 001…999
Hours - 001…100

e
Timing Units ⋆ 
Code Units
S Seconds
M Minutes
H Hours

f
Coil Voltage
Code Volts
U12 12V DC
U24 24V AC/DC, 50/60 Hz
U120 120V AC/DC, 50/60 Hz
A2 240V AC, 50/60 Hz

⋆ Use both the Timing Value and Timing Units tables to properly select the desired fixed time relay.
For example: 700-HTF22025SU24 selects a timer value of 2.5 seconds and 700-HTF22025MU24 selects a timer value of 2.5 minutes.