M.1300.4981

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The M.1300.4981 is an analog module featuring two 12-pin connectors with screw terminals. Manufactured by Danaher under the Block IO Analog Modules series, it offers four NO and four NO/NC output channels. The module supports up to 150 VAC or VDC resistive loads and has an expected mechanical life of 10⁷ operations.

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Product Description:

Belongs to the category of Block IO Analog Modules, this Danaher’s product M.1300.4981 hardware contains two 12 pin connectors and screw terminals on the field side connector module. It is available with 4 NO and 4 NO/NC output channels. This component offers relay characteristics, 4 form C (NO/NC) and 4 form A (NO) contacts. The module is capable of supporting a maximum switching voltage of 150 V AC for resistive load or 150 V DC for resistive load. The result of this rating is safe operation at high voltages.

The low threshold enables efficient activation even with low current loads as it requires a minimum switching current of 100 mA. A maximum switching (DC) of 200 watts at 4 Amps maximum is controlled by this analog device. The drive has a maximum switching current (AC) from 0 to 120 VAC at 4 Amps maximum. Its adaptability in the range of various environments is further enhanced by this AC range. The device has an initial contact resistance of 100 mΩ and low resistance that decreases overall energy losses. Under resistive load conditions, its turn on time is generally about 6 msec and fast interval yields fast response. In most cases, the turn off time is 2.5 msec.

The M.1300.4981 from Danaher also offers an expected electrical life of 10^5 operations minimum. This endurance rating promises prolonged reliability. It also supports an expected mechanical life of 10^7 operations minimum. This robust mechanical endurance minimizes maintenance needs. The Block IO module sustains a breakdown voltage between contacts of 1000 Vrms and this high threshold enhances safety margins. Additionally, it delivers 0.5 Amp per output; this extra current capacity assures consistent power handling for each channel. It also provides a 20–30 VDC isolated output.

Breakdown Voltage Between Contacts
1000 Vrms
Expected Electrical Life
10^5 operations minimum
Expected Mechanical Life
10^7 operations minimum
Field Side Connector
Two 12-pin connectors, screw terminals
Initial Contact Resistance
100 mΩ
Maximum Switching Current (ac)
0-120 VAC @ 4 Amps maximum
Maximum Switching Power (dc)
200 watts @ 4 Amps maximum
Maximum Switching Voltage
150 VAC resistive load; 150 VDC resistive load
Minimum Switching Current
100 mA
Output Channels
4 NO, 4 NO/NC
Relay Characteristics
Four form C (NO/NC) and Four form A (NO)
Turn Off Time (resistive Load)
2.5 msec typical
Turn On Time (resistive Load)
6 msec typical

Frequently Asked Questions about M.1300.4981:

Q: What benefit does the two 12‑pin connector design offers in M.1300.4981?

A: These two 12‑pin connectors simplify field wiring and ensures secure connections. M.1300.4981 uses screw terminals to enhance installation reliability.

Q: How does this output configuration of M.1300.4981 enhance control?

A: The 4 NO, 4 NO/NC output configuration provides flexibility for both normally open and normally closed operations. It further delivers tailored outputs for diverse load demands.

Q: In what way do the relay characteristics of M.1300.4981 improve switching performance?

A: These relay characteristics offer a balanced mix of four form C and four form A contacts. The drive achieves stable and precise switching under varied conditions.

Q: How does the 150 VAC/VDC maximum switching voltage benefit M.1300.4981 in industrial applications?

A: It allows safe management of high-voltage resistive loads. The M.1300.4981 thus maintains operational safety and performance.

Q: What advantage does the 100 mA minimum switching current provide in M.1300.4981?

A: It enables effective switching even with low-current signals and ensures energy efficiency in every operation.


Internal Product Review

  • ‘‘Danaher’s M.1300.4981 offers a minimum switching current of 100 mA that guarantees reliable operation even with low-power loads. The device basically has an initial contact resistance of almost 100 mΩ and low resistance that helps in reducing overall energy losses. These specific features boost performance in precise control tasks during industrial applications.’’

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