Product Overview
AS12F Power Relay (BM 1Z) is an industrial power relay with a 1Z contact form, a 40A 250VAC/30VDC rated load, and a screw connection terminal. The BM configuration uses a metal plate mount and is designed for switching and control circuits in industrial equipment, automation equipment, instrumentation, regulated power supplies, electronic equipment, and household electrical appliances.
Asiaon Electric supplies this AS12F relay configuration for engineers, equipment manufacturers, automation integrators, and relay distributors selecting a high-current 1Z contact arrangement.
Key Specifications
| Specifications | ||
| Contact | Contact Form | 1Z |
| Rated Load | 40A 250VAC/30VDC | |
| Electrical/Mechanical Life | ≥100000times/10000000times | |
| Initial Contact Resistance | ≤100mΩ (1A 6VDC) | |
| Contact Material | AgSnO₂ | |
| Characteristics | Insulation Resistance | ≥1000MΩ (500VDC) |
| Dielectric Strength | Between open contacts≥1000VAC/1min | |
| Between contact and coil≥2500VAC/1min | ||
| Operate/Release Time | ≤25ms/25ms | |
| Terminal Type | screw connection | |
| Coil | Operating Power DC/AC | 2.5W/4VA |
Coil Voltage Data
DC Coil
| Rated voltage | Pickup voltage | Dropout voltage | Coil resistance ±10% |
|---|---|---|---|
| 6VDC | 4.8VDC | 0.6VDC | 14.4 |
| 12VDC | 9.6VDC | 1.2VDC | 57.6 |
| 24VDC | 19.2VDC | 2.4VDC | 230 |
| 48VDC | 38.4VDC | 4.8VDC | 920 |
| 60VDC | 48.0VDC | 6.0VDC | 1440 |
| 110VDC | 88.0VDC | 11.0VDC | 4840 |
AC Coil
| Rated voltage | Pickup voltage | Dropout voltage | Coil resistance ±10% |
|---|---|---|---|
| 12VAC | 9.6VAC | 3.6VAC | 12.6 |
| 24VAC | 19.2VAC | 7.2VAC | 50.4 |
| 48VAC | 38.4VAC | 14.4VAC | 200 |
| 110VAC | 88.0VAC | 36.0VAC | 1060 |
| 220/240VAC | 176.0VAC | 72.0VAC | 4230 |
Ordering Information
The ordering diagram identifies the AS12F code fields for terminal type, options, contact form, voltage type, coil voltage, and contact material. For this BM configuration, the documented selection is metal plate mount with screw terminal and 1Z contact form. Coil voltage options are listed in the DC and AC tables above.
Quality Control
Asiaon Electric describes a manufacturing quality process that includes incoming inspection, process control, online inspection, and final quality inspection, supported by MES, SPC, and WMS. Product selection should be checked against the rated load, coil voltage, contact arrangement, terminal type, and wiring diagram before integration.
Technical Data and Drawings
Ordering Information

Product Parameters

Wiring diagram

Frequently Asked Questions
What is the contact form of AS12F Power Relay (BM 1Z)?
The documented contact form is 1Z.
What rated load does the BM 1Z relay support?
The rated load is 40A at 250VAC or 30VDC.
What are the coil operating power values?
The operating power is 2.5W for DC coil operation and 4VA for AC coil operation.
Where can the wiring arrangement be checked?
The BM 1Z wiring diagram is retained in the technical drawings section.



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