ES-3574 Rev.12

KMT

Plug-in Signal Conditioners K-UNIT

CONTACT ISOLATOR

Functions & Features
• Accepting one contact signal and providing two outputs
• Input circuit containing a constant current source allows large leadwire resistance up to 3 kΩ
• Relay contact or open collector outputs
• High-density mounting

MODEL: KMT–[1]–[2][3]

ORDERING INFORMATION

• Code number: KMT-[1]-[2][3]
Specify a code from below for each of [1] through [3].
  (e.g. KMT-1-B/Q)
• Specify the specification for option code /Q
  (e.g. /C01/S01)

INPUT

Dry contact

[1] OUTPUT

1: Relay contact
2: Open collector

[2] POWER INPUT

AC Power
B: 100 V AC
C: 110 V AC
D: 115 V AC
F: 120 V AC
G: 200 V AC
H: 220 V AC
J: 240 V AC
DC Power
S: 12 V DC
R: 24 V DC

[3] OPTIONS

blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel

GENERAL SPECIFICATIONS

Construction: Plug-in
Connection: M3.5 screw terminals
Screw terminal: Chromated steel (standard) or stainless steel
Housing material: Flame-resistant resin (black)
Isolation: Input to output 1 to output 2 to power
Front LEDs: Red LED turns on when the output ON. 
Green LED turns on when the output OFF.

INPUT SPECIFICATIONS

Dry contact
Sensing: Approx. 28 V DC @5 mA
ON/OFF level: ≤ 3 kΩ for ON; ≥ 30 kΩ for OFF

OUTPUT SPECIFICATIONS

■ Open Collector: 24 V DC @100 mA
Maximum frequency: 40 Hz
Saturation voltage: 1.8 V DC
Relay Contact:
100 V AC @5 A (cos ø = 1)
24 V DC @5 A (resistive load)
Electrical life: 105 cycles (rate 30 cycles/min.)
Maximum switching voltage: 380 V AC or 125 V DC
Maximum switching power: 500 VA or 120 W
Minimum load: 5 V DC @10 mA
Mechanical life: 5 × 107 cycles
Maximum frequency: 1 Hz

INSTALLATION

Power input
AC: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 2 VA
DC: Operational voltage range: rating ±10 %
ripple 10 %p-p max., approx. 1.5 W (60 mA at 24 V)
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 400 g (0.88 lb)

PERFORMANCE

Response time
  Relay contact: ≤ 10 msec.
  Open collector: ≤ 10 msec.
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1000 V AC @1 minute
(input to output 1 to output 2 to power)
2000 V AC @1 minute
(input or output 1 or output 2 or power to ground)

EXTERNAL VIEW

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM