The AM-PD2425 PoE power module has a wide operating voltage of 42V to 57V, a rated output voltage of 24v, a current of 2.5A, and a maximum output power of 60W. It complies with the IEEE802.3 bt standard protocol and is classified Class 8. It has over-current, under-voltage, short-circuit protection, anti-surge and other superior reliability. It can be used in security video surveillance, LoRa gateway equipment, data collection terminals, and IoT terminals.

Main Features

Comply with IEEE802.3 bt standard protocol, Class 8
42V~57V wide operating voltage range
Maximum output power up to 60W; rated output: 24V 2.5A
Output ripple and noise ≤200mV (requires external capacitor)
High-efficiency DC/DC converter efficiency 87%
With over-current, under-voltage, short-circuit protection, anti-surge and other superior reliability
PCBA standard size: 62mm*27mm*15mm
1500Vdc isolation voltage (input/output)

Dimension

4.Pin definition

Pin	Name	Describe
1	VA1	This input pin is used in conjunction with VA1 and connects to the centre tap of the transformer connected to pins 1& 2 of the RJ45 connector (RX) – it is not polarity sensitive.
2	VA2	This input pin is used in conjunction with VA2 and connects to the centre tap of the transformer connected to pins 3& 6 of the RJ45 connector (TX) – it is not polarity sensitive.
3	VB1	This input pin is used in conjunction with VB1 and connects to pin 4 & 5 of the RJ45 connector – it is not polarity sensitive.
4	VB2	This input pin is used in conjunction with VB2and connects to pin 7 & 8 of the RJ45 connector – it is not polarity sensitive.
5	Vout-	5,6 is the negative output of the PD.
6	Vout-	5,6 is the negative output of the PD.
7	Vout+	7,8 is the positive output of the PD.
8	Vout+	7,8 is the positive output of the PD.
9,10	NC	Welding fixed foot.

Electrical characteristics

5.1 Absolute maximum rating parameter

No	Parameter	Symbol	MIN	MAX	Units
1	DC Voltage	V_CC	48	57	V
2	DC Voltage Surge 1ms	V_SURGE	-0.6	80	V
3	Working temperature	TS	-40	80	℃

*Exceeding the above rating may cause permanent damage to the product.Functional operations under these conditions are not recommended.

5.2 Recommended working conditions

No	Parameter	Symbol	MIN	TYP	MAX	Units
1	Input voltage	V_IN	42	48	57	V
2	Low Voltage Lock	V_LOCK	37	–	–	V
3	Working temperature	T_OP	-40	25	80	℃

*Applicable only to WC-PD60B240A maximum operating temperature.

5.3 DC Characteristic

No	Parameter	Symbol	MIN	TYP	MAX	Units	Test Opinions
1	Standard Output Voltage	V_DC	23	24	24.7	V	V_IN=48V
2	Output Current（VIN=48V）	P_WR	–	5	6	A	Wide voltage input 48-57V
3	Power adjustment rate	V_LINE	–	0.1	–	%	@50% Load
4	Load Adjustment Rate	V_LOAD	–	1	–	%	@V_IN=48V
5	Ripple Output Noise	V_RN	–	150	250	mVp-p	@Maximum Load
6	Minimum Load	R_LOAD	10	–	–	mA
7	Short circuit duration	T_SC	–	–	∞	sec
8	Efficiency (load 80%)	E_FF	85	90	–	%
9	Isolation Voltage (I/O)	V_ISO	–	–	1500	VPK
10	Temperature coefficient	T_c	–	0.02	–	%	Per ℃
11	Efficiency	_Tr	–	150	250	ms	V_IN=48V V_OUT=max

1: Typical number is 25 C, nominal voltage is 48V, for auxiliary design only.

2: Output ripple and noise can be reduced by an external filter, see the application instructions.

3: If operated under the specified minimum load, the module emits audible noise and may cause PSE malfunction.

6 Power Classification

AM-PD2425 uses IEEE802.3at standard and runs with Class 7 (60W) power rating by default.

Define criteria	Cable requirements	Grading parameters	Power Supply Characteristics
IEEE802.3at （PoE）	CAT5 cable or CAT6 cable	Maximum power required for Class4 devices is 13W~25.5W	The DC voltage ranges from 42 to 57V, with a typical value of 48V. Typical operating current is 10~600mA; typical output power: 30W; Class4 rating supported by electrical equipment
IEEE802.3bt （PoE++）	CAT5 cable or CAT6 cable	Maximum power required for Class5 devices is 40W	The DC voltage ranges from 48 to 57V, with a typical value of 52V. Typical operating current is 10~1300mA; typical output power: 62W
		The maximum power required for Class6 devices is 51W
		The maximum power required for Class7 devices is 62W
		The maximum power required for Class8 devices is 71W

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