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Downloadable Files:
Marsh Bellofram Group of Companies
407B Series
Product Detail:
Multiple Timing Modes: The 407B is available with selectable On-Delay,
Off-Delay or Interval timing modes. These timing modes energize a set of
DPDT output contacts. When in the On-Delay mode, the 407B begins
timing when the timer is energized. In On-Delay mode, the contacts
transfer at time out. When in the Off-Delay mode, the 407B begins timing
when the Start input is de-energized. In Off-Delay mode, the contacts
transfer at time out. When in the Interval mode, the contacts transfer
when the timer is energized. In Interval mode, the contacts release at
time out.
Universal Power Supply: All 407B timers can be powered using 24-240
VAC or 24 VDC power, greatly simplifying ordering and inventory
management of replacement units.
High Accuracy: The 407B’s timing circuit is not a simple RC circuit. It
utilizes the sophistication of a proprietary integrated circuit that includes
counting technology along with a stable oscillator to provide repeatable
time delays.
1/16 DIN Housing: The 48mm
watertight when panel mounted. The 407B is mounted in an 11-pin round
socket. With an optional mounting clip, the 407B can be panel mounted.
The Dial on the 407B is extra large and is easy to read. When fractional
ranges are selected, decimal points are clearly indicated.
The Mode select and Range select switches are located on the side of the
unit, so that when panel mounted, these switches are not accessible to
the operator. This tamper proof feature prevents unauthorized or
hazardous changes to the timing mode and range from being made.
Cycle Progress Indication: The 407B LED indicator provides a unique
and effective method of cycle progress indication. Off before timing, the
LED blinks at an ever increasing rate as the cycle progresses; once every
3-1/2 seconds during the first 10% of the cycle, twice during the second
10%, and so on. At time out, the LED pulses at a high rate. (In the 1, 5,
10 and 50 second ranges, the LED is Off before timing, steady On during
timing, and pulsing On after time-out).
Part Numbers:
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Automatic Timing & Controls
Selectable On-Delay/Off-Delay/Interval Timing Modes
Separate Start Input
Output Contacts rated 10A at 120/240 VAC and 30 VDC
Six Timing Ranges in a single unit:
1 and 10 sec., min., and hours
5 and 50 sec., min., and hours
Universal Power Supply; 24-240 VAC and 24 VDC
48mm
Large and easy to read dial shows decimal points
Round (octal) socket mount or mount in panel cutout
Watertight when panel mounted
Range and Mode select are tamper proof when panel mounted
Unique flashing cycle progress indication
2
DIN Standard housing
407B 1/16 DIN Multi-Mode Timer
2
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(1/16 DIN) housing is compact and is
Timer
< 407B Series
Purchase Details:
Product Contact:
Specifications:
Models
Contact
Rating
Contact
Material
Temperature
Rating
Noise
Immunity
Mounting
Power
Requirements
Sales Contact
Both models available in 6
ranges from 1 sec. to 10
hrs. or 5 sec. to 50 hrs.
Rated 10 AMPS resistive
at 30 VDC or 250 VAC (or
less) 1/8 HP @120 VAC
1/4 HP @ 240 VAC, 240
VA @ 240 VAC
LIFE: 10 million operation
with no load 100,000
operations with:
10 AMPS at 30 VDC (or
less) or 10 AMPS at 250
VAC (or less)
Silver Cadmium Oxide
0 to 122°F (-18° to 50°C)
Showering ARC per NEMA
ICS 2-230
In addition, the 407B will
withstand a voltage surge
of 4500 volts for 50 µsec.
without damage.
Plug-in 11-Pin round base
Options: Surface
mounting socket
DIN rail mounting socket
Panel-mounting adapter kit
Plug-on socket kit
Universal power supply -
reverse polarity protected
Unit will accept power
from 24 to 240 VAC, 50 or
60 Hz, (+10%, -20%) 24
VDC (+20%, -20%)
407B100F3X
407B500F3X
Technical Contact
AC
On Delay,
Off Delay,
Interval
Timing with
(1) DPDT
relay (1 or
10 SEC/MIN/
HRS
On Delay,
Off Delay,
Interval
Timing with
(1) DPDT
relay (5 or
50 SEC/MIN/
HRS)
Inrush - 1.5
Amps
Power
required -
1.2 watts