Marinco - Actuant Electrical 28220 Specifications
SPECIFICATION SHEET Rev. 3.0
Printed copies of this specification are for information purposes only and are uncontrolled. Printed copies are
REFERENCE SPECIFICATIONS after the date of printing. This document was printed on 9 September, 2015.
Page 1 of 4
Height 7.0 inches
17.8 cm
Width 9.6 inches
24.4 cm
Depth 2.9 inches
7.4 cm
PRODUCT NUMBER: 28220 - Marinco On-Board Battery Charger
This 28220 model is a 2 bank, 20 amp, 12/24V DC output charger with wide input voltage range (100-240V AC), is
microprocessor controlled and has a maintenance mode that will keep the charger fully charged. The Marinco
28220 meets the CEC (California Energy Commission), FCC Class B, is RoHS compliant and has UL and CSA listings
(cULus). The 28220 has the same mounting dimensions as the 2620A and will replace this model.
1. DESCRIPTION
1.1. Dimensions Reference only
1.2. Mounting Bulkhead mount (vertical at wall)
Hole diameter is .295 inches / .750 cm or clearance for #12 screw
Left to Right Center to Center = 8.5 inches / 21.6 cm
Top to Bottom Center to Center = 4.5 inches / 11.4 cm
1.3. Weight (reference)
Approximately 8.0 lbs. (3.6 kg)
SPECIFICATION SHEET Rev. 3.0
Printed copies of this specification are for information purposes only and are uncontrolled. Printed copies are
REFERENCE SPECIFICATIONS after the date of printing. This document was printed on 9 September, 2015.
Page 2 of 4
Red
Green
Soft start
On
Off
Bulk
On
Off
Absorption
On
On
Float
Off
On
1.4. Connection
1.4.1. AC
6’ (1.8 m) AC Cable with NEMA L5-15P AC Plug. Cable consists of 16/3 SJTOW cord with
one BLACK (HOT), one WHITE (NEUTRAL) and one GREEN (GROUND)
1.4.2. DC
6’ (1.2 m) DC output cable, 14 gauge wires, SJTOW with ring terminal connection
2. FEATURES
2.1. Waterproof
The Marinco 28220 has an IP68 rating. This rating is described as dust tight and protected
against the effects of immersion in water under pressure for long periods.
2.2. Charge Indicators
Unit has 2 LEDS per bank, one Red and one Green in color. The following table should be
used as indicator of the charger status.
2.3. Protection
Ignition Protection
Over Current
Over charge
Reverse Polarity
Thermal Protection
Short Circuit
2.4. Temperature Characteristics
Ambient Operating Temp Full Power -40 C to 50 C
Storage Range -40 C to 70 C
3. ELECTRICAL CHARACTERISTICS
3.1. Battery Recommendations
Battery size: Group 24 through 31 (up to 120 Amp-Hr)
Battery Type: 12V lead acid (FLOODED and AGM)
Maximum Recharger time: 12 hours
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