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781B

Product catalog summary

Overview: The document introduces the 78 Series of industrial switch mode power supplies, specifically the Type 78.1B, as part of Finder's high-efficiency power supply range. These are designed for electrical and electronic applications, providing adjustable output voltage with overload and short circuit protection.

Specifications:

Output: 5 A, 24 V DC for Type 78.1B.
Input Voltage Range: 100...265 V AC and 140...275 V DC (polarised).
Output Voltage Adjustment: 24...28 V.
Rated Output Power: 120 W (230 V AC input), 110 W (full input range).
Efficiency: High efficiency at 93% with a power factor of 0.998.
Stand-by Power Consumption: As low as 1 W.
Ambient Temperature Range: –20...+70°C.
Dimensions: 40 x 130 x 104 mm for Type 78.1B.

Features:

Front panel replaceable fuse for input protection.
Thermal protection with LED status indication (for types 78.1D, 78.2E).
Auxiliary contact indication (for types 78.1D, 78.2E).
Suitable for battery charging and includes a boost current feature without time limit.

Auxiliary Contact Switching Modes:

Type 78.xx.x.xxx.24x4: "Positive logic" where the NO contact closes when power is applied and remains closed unless a fault occurs.
Type 78.xx.x.xxx.24x5: NO contact closes during anomalies such as overload, short circuit, or thermal issues, suitable for activating alarms or cooling fans.

Applications: These power supplies are ideal for industrial automation systems, control and measurement systems, and LED lighting.

Approvals and Compliance: The document mentions that approvals are according to type, but specific standards are not detailed.

Disclaimer: Finder reserves the right to alter characteristics at any time without notice and assumes no liability for damages caused by incorrect use or application of its products.

Catalog excerpts

REPORT 78 Series Discover the complete range of Switch mode power supplies Industrial Switch Mode Power Supplies Type 78.1B The newest addition to Finder's range of high efficiency power supplies for electrical and electronic applications. Adjustable output voltage with overload and short circuit protection. Addresses the need for low voltage power within industrial automation systems, control and measurement systems, and LED lighting. Approvals (according to type) C€.®- Thermal protection with LED status indication (type 78.1D, 78.2E only)

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78.2E.1.230.2414 78.2E.1.230.2415 Features - Low stand-by power - Ambient temperature range: -20...+70°C Rated Output Voltage Output Voltage Adjust Rated Output Current Rated Output Power Input voltage range Dual stage with active Power Factor Corrector L(*)L N(*IN Q MM » - Compact size - Stand-by power consumption down to 1 W - High efficiency 93% 24V DC 24...28 V 5 A (230 V AC input) 4.5 A (full input range) 120 W (230 V AC input) 110 W (full input range) 100...265 V AC - Power factor: 0.998 - Boost current: without time limit - Suitable for battery charging - Power factor: 0.998 - Boost current:...

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